H + c = 2.25

h - c = 1.75

What value of h makes the system of equations true?

travis drove 129 miles in 3hours. he drove at a constant speed. how many miles did he drive in 1 hour

Work the following area application problem. You are laying an asphalt driveway. How much surface area must you cover if the driveway is 21 feet long and 10.5 feet wide? Area = sq. ft.

Find each answer: a. 1/2 of 1/3 b. 1/2 of 1/4 c. 1/2 of 2/3 d. 1/2 of 3/4 e. Describe any patterns that you see in parts a-d

Round to the nearest hundredth as needed what is 9*=46

In regression analysis, the independent variable is a. used to predict other independent variables b. used to predict the dependent variable called the intervening variable c. the variable that is being predicted

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.