X - z=7

x+y=3

z - y=6

For the above system of three

equations, x =

(A) 5

(B) 6

(C) 7

(D) 8

(E) 9

Mark has 49 baseball cards and 70 football cards that he wants to group into package. each package will have the same number of baseball cards and football cards. what is the greatest number of packages mark can uses all of the cards

The sales tax on a $120 skateboard is $9.60. What is the sales tax rate?

Solve quadratic equation by factoring x^2-6x+9=0

Type the equivalent fraction using the multiplier 2. 3/4

Find the product of (n4+7) 2

A test consists of 30 problems and students are told to answer any 10 of these questions. In how many different ways can they choose the 10 questions?

3x2 + 14x - 49 = 0 solving the equation by factoring

How many times heavier is a 16 1/2 pound rockthen a 10 1/2 pound rock

Ben has a marble collection. three fifths of the marbles are solid colored marbles. one fifth of the marbles are cats eyes. what fraction of the marbles are either solid colored or cats eyes

Express the solution set of the equation in set notation. x - 2 = 10