An 8-in.-thick wall uses 15 standard bricks (8 in. by by ) for one square foot. Find the number of bricks needed for a wall 8 in. thick, 22 ft long, and 7 ft high.  

Using the illustration, find the measure of each acute angle for the right triangle below. Answers are rounded using the appropriate rule for significant digits.b = 20.72 m, c = 46.92 m  

Follow the rules for working with measurements. A steel cylindrical tank must hold 8,500 gal of dyed water for a cloth process. Due to space constraints, the cylindrical tank is made 11 ft in diameter. How tall must the tank be? (Water weighs 8.34 lb/gal and 62.4 lb/ft 3.)  

Follow the rules for working with measurements. A cylindrical cooling tank has an outside diameter of 5 ft. The walls on all sides are 3 in. thick, and the tank is 11 ft tall. How many gallons of water will this tank hold? (1 ft 3 = 7.48 gal)  

Using the illustration, find the measure of each acute angle for the right triangle below. Answers are rounded using the appropriate rule for significant digits.a = 8,897 km, c = 9,814 km  

Find the area and the perimeter of the triangle shown below. Use the rules for working with measurements.  

Find the angle rounded to the nearest hundredth of a degree. sin A = 0.9382  

A mechanic plans to build a storage garage for 92 cars. Each car needs a space of 15 ft by 10 ft. Find the floor area A of the garage. At a cost of , find the cost C of the garage.  

Using the illustration, find the measure of each acute angle for the right triangle below. Answers are rounded using the appropriate rule for significant digits.a = 45.8 cm, c = 58.5 cm  

Find the volume of the cylindrical shaped silo with a hemispherical top shown in the illustration.