Write 15% as a decimal

The Joshua Tree Preservation Society is doing research on the rate of growth of Joshua trees in a particular area. This year they measured the trees and found the following heights, in meters:  1.6, 1.2, 0.4, 2.4, 0.8, 1.7, 1.9, 0.9, 3.1, and 2.2 If a tree measures 1.65 meters, how does its height compare to the height of the rest of the trees? 

Find the area of the figure shown:  A parallelogram is shown filled with a dark blue shading. The bottom side is horizontal and labeled 19 feet. The left side slopes upward from the base, while the top side is horizontal and the right side slopes downward. A dashed vertical line on the left indicates a height of 3 feet, with a right angle marker at the bottom where it meets the base.

The ASB at Hybern High School polled their students to determine which subject they felt most confident in. They asked 240 students, 60 students from each grade. Of the students asked, 204 said Math was the subject they’re most confident in. If the school’s population is 3,600, how many students can we expect to feel confident in Math?  [answer1] students

Find the measure of angle ONK, if the measure of angle MNK is 90 degrees.  [answer1]  An angle diagram shows three labeled points: N at the vertex, M above on a vertical ray, and K to the right on a horizontal ray. A third ray extends from N upward and to the right, forming a 23° angle with the vertical ray. Point O lies on this slanted ray between N and its endpoint. The vertical ray goes upward from N to M, and the horizontal ray goes right from N to K.

Find the coordinates of the image if the preimage has coordinates And the translation rule is  [answer1]  [answer2]  [answer3]

Marietta is conducting a survey at school to determine which is the most popular subject. She asks everyone in her first period class.  Determine the sampling method. 

Samantha’s favorite cereal costs $4.62 for 22 ounces. What is the unit price per ounce? 

Fiona is visiting Paris, and plans to visit the Louvre after the Eiffel Tower. On the map of Paris, France, the Eiffel Tower is 6.5 inches away from the Louvre Museum. If the scale on the map is 1 in: 500 m,  which proportion could be used to find the actual distance from the Eiffel Tower to the Louvre Museum? 

Greta is preparing for Halloween. She wants to get enough candy to give each trick or treater 5 pieces of candy. She anticipates having 45 children visit her house to trick-or-treat. If each bag of candy holds 25 pieces, which proportion(s) could she use to determine how many bags of candy she should buy? Select all that apply.