What is the value of the equation below when a=3 and b=7

a2-2b

A supplementary angle to a 76 angle has a measure of?

The first two terms of an arithmetic sequence are a1 = 2 and a2 = 4. What is a10, the tenth term? A. 19 B. 10 C. 18 D. 20

What is the area of a circle with a radius of 10 yards

Name both pairs of alternate exterior angles

The selling price of a refrigerator, is 459.90 if the markup is 5% of the dealers cost, what is the dealers cost of the refrigerator

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.