X+3y=18 3x+9y=12 determine weather the graphs of each pair of equations are parallel, perpendicular, coinciding, or none of these

An Apple Computer store sells computers for $1,246.70. Assuming the computers cost $10,920 per dozen. b. Find the percent markup on cost for each computer. c. Find the percent markup on selling price for each computer.

Consider the following graph of a quadratic function. Which of the statements are true? Select all that apply. A. The function is decreasing over the interval x<-1 B. The range of the function is all real numbers. C.

If the equation y = x + 4 is changed to y = x - 2, how will the graph of the equation change?

Identify the binomial A. 2x 2 + 3x - 1 + y B. x 2 C. x 2 - 4x + 2 D. x 2 - 4

Actor the trinomial below. 5x2 + 29x - 6 Which two binomials are factors of the trinomial? A. 5x - 2 B. 5x - 1 C. x - 6 D. x + 6 E. x + 3

Equivalent fractions to three ninths

What would the answer to - |-24| be?

Can the lengths 7,13 and 15 form a triangle? If so, classify it by sides

Twice a number, x, divided by 6 is 42

Whats 15 divided by 2/3