Is 2x - 3 a function

Ok so how do i find x and y in a right triangle with the measurements 45° and the number 3

Which set of side lengths could be the sides of a triangle? A. 1 cm, 2 cm, 3 cm B. 5 cm, 9 cm, 18 cm C. 7 cm, 16 cm, 24 cm D. 10 cm, 24 cm, 26 cm

Simplify 8a-b + 4a-2b

A restaurant offers 7 appetizers and 9 main courses. In how many ways can a person order a two-course meal?

Make a table of values for each relation, then determine whether the relation is quadratic. A) y = 3x - 1 B) y = x^2 + 2x + 1 C) y = 49 - x^2 D) y = 0.5x^2

Find four consecutive integers such that twice the first subracted from the sum of the other three integers is 16.

2. A package of ground beef costs $6.98. The price per pound is $3.86. How many pounds of ground beef are in the package? Round to the nearest hundredth.

Which expression is equivalent to (st) (6) ? s (t (6)) s (x) * t (6) s (6) * t (6) 6 * s (x) * t (x)

Two cars are 312 miles apart and travel toward each other on the same they meet in three hours. One car travels 4 mph slower than the other. What is the average speed for each car?

Solve the system of equations using the linear combination method. {4j-2k=265j-2k=35 Enter your answers in the boxes.