7/21 3/12 Simplify each fraction

The function h (t) = - 4.92t^2+17.69t+575 is used to model an object being tossed from a tall building, where h (t) is the height in meters and t is the time in seconds. Rounded to the nearest hundredth, what are the domain and range? domain: [0, 12.

The parabola y=x^2-2x+4 will have a vertex of

What are the soultion (s) to the quadratic equation 40 - x^2=0

Which relationships describe the angle pair x° and 71º?

5 percent of 88 is the same as 60 percent of what number?

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.