How do I solve this problem?4x+7y=42 when X=9

What is the value of v 2/3x = 4

Leo has a total of 45c. he has some dimes and pennies. How many different combinations of dimes and pennies could Leo have? make a table to solve.

He equation, represents the winning prize money, in thousands, for first place in the Indianapolis 500 auto race. Let x represent the number of years. Let x = 0 for the first year of the race in 1911.

Find each of the following products in their simplest ax^2+bx+c form. 5 (x-6) (x-2)

A professor gives 3 tests and uses a weighted average to determine the final grades in his psychology class. the weights are as follows: test 1 = 30%, test 2 = 20%, and test 3 = 50%.

What is the value of the expression when a = 4 and b = 3? 4a + b - 5 A. 2 B. 14 C. 7 D. 6

How much seconds in 6min

Solve. 15pie/4=? degree

Step 1: Draw a right triangle. Label the acute angles as angles A and B. Label the right angle as angle C. Step 2: Prove the acute angles of a right triangle are complementary.

What is the two congruent?