Write the standard equation of a circle with center (-9,-4) and radius 15.

(x + 9) 2 + (y + 4) 2 = 5

(x + 4) 2 + (y + 9) 2 = 5

(x - 4) 2 + (y - 9) 2 = 5

(x - 9) 2 + (y - 4) 2 = 5

The prior probability that an entering undergraduate student will get their BA is 0.48. 65% of students who graduate entered with a good high-school GPA.

On a map, 0.25 inches represents 1 mile. What is the area of a rectangle on the map that is 3.75 inches long and 2.25 inches wide?

80 centimeters off a 1.5 meters board

Spencer has a rectangular garden. The length and width are both odd numbers and the perimeter is 16 feet. What can be the area of his garden? Find all possible answers.

The set of possible values of m is 5,7,9 what is the set of possible values of k if 2k = m+3

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.