8-4r=-2r-5 how can I solve this?

What comes into you're mind when you hear the word algebra

A party rental company has chairs and tables for rent. The total cost to rent 2 chairs and 12 tables is $83. The total cost to rent 5 chairs and 3 tables is $32.

The physical plant at the main campus of a large state university receives daily requests to replace fluorescent lightbulbs. the distribution of the number of daily requests is approximately normal and has a mean of 53 and a standard deviation of 11.

a kite is flying at an angle of 63° with the ground. if all 250 feet of string are out, and there is no sag in the string, how high is the kite?

What are the solutions of the equation (x - 3) 2 + 2 (x - 3) - 8 = 0? Use u substitution to solve.

Elen deposited $2,500 into a savings account that earns 5% interest per year. Her friend's bank offerS a 6% annual interest rate. How much more money would Ellen's money have earned in one year if she had deposited her money at her friend's bank?

A climber is standing at the top of a mountain, approximately 2.5 mi above sea level. The radius of the Earth is 3959 mi. What is the climber's distance to the horizon? round final answer to the nearest tenth

A farmer's corn field is a triangle with side lengths of 16 feet, 24 feet, and 32 feet. The farmer plans to increase each side length by the same number of feet.

At a local aquarium, there are 10 dolphins, 8 penguins, and 4 whales. What is the ratio of penguins to whales?

You estimate that you can save $3,800 by selling your home yourself rather than using a real estate agent. What would be the future value of that amount if invested for five years at 5 percent? Use Exhibit_1-A.