Select all relations that represent functions.

(8,7), (7,8), (6,5), (5,6)

(-2,7), (-3,9), (-5,9), (-8,11)

(6,-6), (-3,12), (6,-1), (-8,13)

x y

-3 0

-5 8

-7 8

-9 0

x y

0 0.5

2 1

1 2.5

0 2

Ramiya is using the quadratic formula to solve a quadratic equation. Her equation is x = after substituting the values of a, b, and c into the formula.

There are 130 students in the ski club, 50 of the students are boys. In the simplest form, write the ratio of the number of girls to the total number of students in ski club

Owner of an office building is expanding the length and width of a parking lot by the same amount. What currently measures 120 ft by 80 ft, and expansion will increase its area by 4400 ft.².

Whats 5.64 as a fraction?

On square JKLM below if J is located at (-2,5) and K is located at (2,2) what is the slope of LK

Alexis and Jonathan challenged each other to a typing test. Alexis typed 54 word in one minute, which was 120% of what Jonathan typed. How many words did Jonathan type in one minute?

Leona places a cone with a volume of 512 cm3 into a rectangular fish tank that has two square faces, each with sides measuring 20cm, and three rectangular each that are 49cm long and 20cm wide.

Percent increase from 86 to 150

The following table shows the speeds at which Jeff does 444 activities. For example, biking has a rate of 191919 miles in 222 hours.

Which two solid figures have the same volume? A. An oblique solid with a base of 4 cm2 and a height of 8 cm B. A cone with a base of 4 cm2 and a height of 8 cm C. An oblique solid with a base of 4 cm2 and a slant height of 8 cm D.