Solve the system of linear equations by elimination

4x - y = 7

4x - 2y = 2

6[ 5x (41-36) - (8+14) ]

If f (1) = 0 and f (5) = 24, which of the following could be f (x) ? A. x^2 - 1 B. x - 1 C. - x + 1 D. 5x - 1 E. 4x + 4

Evan has 5 tennis balls, 2 footballs and 2 packages of golf balls with 4 balls in each. What is the ratio of tennis balls to his whole collection?

Which statement is true about the equation 4.5z = 4.5z - 6.25 + 6.25? A.) It has no solution. B.) It has one solution. C.) It has two solutions. D.) It has infinitely many solutions.

Susan is paving a rectangular patio with at most 308 bricks. If there are 22 bricks along the length of the patio, how many bricks are along the width of the patio?

Matthew collects purple and red marbles. he has 320 marbles and 65% of them are purple. How many red marbles does he have?

Multiply the complex numbers. (5+1i) (-3+2i)

Joe owns and apple orchard with 20 apple trees. Each year he will plant 7 more. Write and explicit formula for the number of apple trees in the orchard.

How to decompose 1 1/4

Mike's sister is away at college, and he wants to mail her a 34 in. Softball bat. The packing service sells only one kind of box, which measures 24 in. By 20 in. By 12 in. Will the box be big enough? About how long of a bat can the box fit?