How do I find this formula?

Trapizoid:b1=3 m; b2=4 m; A=7m2

How many Senators are there in the Florida Senate?

Which are steps in the process of completing the square used to solve the equation 3 - 4x = 5x2 - 14x? Check all that apply

at 4:00 am the temperature is - 9°F at noon the temperature was 18°F what was the change in temperture

What is 8 times as many as 6

Last year, a furniture company made about 24,000 chairs when they rounded the number of chairs to the nearest thousand. Which could be the actual number of chairs the furniture company made?

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.