Which relation is a function?

{ (-2, 1), (-2, 2), (-2, 7), (-2, 8) }



{ (-2, 2), (-7, 7), (-1, 1), (-8, 8) }

{ (1, - 7), (2, - 8), (-2, 7), (1, 8) }

{ (-2, 1), (-7, - 1), (2, 8), (-7, - 8) }

A number cube has sides numbered 1 through 6. The probability of rolling a 2 is 1/6. What is the probability of not rolling a 2? Enter your answer as a fraction, in simplest form, in the box.

Given that the measure of? x is 30°, and the measure of? y is 35 °, find the measure of? z.

9 over 81 = x over 9 x = what?

Which property will change when a figure is reflected? A. Shape B. Size C. Orientation D. Color

A savings account earns simple interest at a rate of 6% per year. Last year the account earned $10.86 in interest. What was the balance in the account at the beginning of last year?

Building a is 160 feet shorter than building b. the total height of the two buildings is 1530 feet. find the height of each building.

Find the area of the figure. If you need to use pi in your computation, approximate its value as 3.14. Round to the nearest hundredth. Rectangle topped by a semicircle height is 5in base is 4 in

You need a ladder that will reach up 25 foot tall hose when place 10 feet away from the house how the tall does the ladder need to be

What is the value of this expression when c = - 4 and d = 10? 1/4 (c^ (3) + d^ (2) A. 2 B. 9 C. 21 D. 41

A triangle has an area of 60 square units. Its height is 12 units. What is the length of its base?