Explain what the variable represents in a addition expression

Darryl is a plumber. He charges $35 to make a service call and $20 an hour for any repairing. Write an algebraic equation relating Darryl's charge to the total number of hours of labor required.

In two or more complete sentences, describe a real world situation that can be modeled by the inequality and solve the inequality. x + 11 ≥ 23

The ratio of teachers to students at a school is 3:74 there are 2500 students at the school about hiw many teachers are at the school

You have a piggy bank containing a total of 119 coins in dimes and quarters. If the piggy bank contains $20.75, how many dimes are there in the piggy bank

How many radii does a circle have I am pretty sure its two, but i am not 100% certain

In 1940 the life expectancy at birth in the general public was 62.9 years. By 1980, it had risen to 73.7 years. Assuming a linear relation, which is the best prediction of life expectancy in the year 2000?

What the sum of the first seven terms 4,12,36,108

A savings account with $500 now has $120.

Bradley made a house for his dog, Bowser, out of wood with a cube base and a triangular prism top. The dimensions of the dog house are a = 5 feet, b = 1 foot, and c = 2.7 feet. Note: Figure is not drawn to scale.

8x=24 is 8x=24:4 the same