As the [H3O+] of the solution decreases, the [OH-] ________.

If there are initially 1800 organisms and the population increases by 4.55% each year: Use an exponential function to predict the increasing number of organisms after 7 years. Round UP to the nearest whole number.

Determine the equation of the line passing through the point (-5,-3) with the slope equal to 6.

Find the area of the composite figure below. Assume all angles are right angles. Use the pi key for your solution. Round to 2 decimal places, as necessary. Write your solution below. 

In 1996, the cost of tuition at a large Midwestern university was $130 per credit hour. In 2008, tuition had risen to $370 per credit hour. a. Write a formula for the cost of tuition as a function of the number of years “t” years since 1996. c(t)= b. What will tuition be in 2020? c. What year will the tuition be $270 per credit hour?    Put your solutions in the textbox and and on your “show work” paper.  Show all work. 

Use the table below to answer this question.  1 pound= 16 ounces 1 gallon= 16 cups 1 cup= .2366 liters 1 ton= 2000 pounds 1 yard= 3 feet 1 kg= 2.2 pounds   Convert 5000 ounces to tons. Round solution to two decimal places.  Write number of tons below. 

Find the perimeter of the composite figure below. Assume all angles are right angles. Use the pi key for your solution. Round to 2 decimal places, as necessary. Write your solution below. 

SHOW ALL WORK. Desmos Scientific Calculator https://www.desmos.com/scientific

The geriatrician providing care for a 74-year-old client with diagnosis of Parkinson disease has recently changed the client’s medication regimen. What is the likely focus of the pharmacologic treatment of the client’s health problem?

Which of the following conditions is associated with elevated serum calcium levels?