Graph the system of inequalities.2x + 3y ? 6 x - y ? 3 y ? 2
A.
B.
C.
D.
Answer: A
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Music source A charges a monthly fee of $6.25 plus 99 cents per song. Music source B charges a monthly fee of $9.25 plus 79 cents per song. ? A: Find a formula that gives the monthly cost A, in dollars, of buying songs from Company A as a function of the number n of songs you buy in a month. ? B: Find a formula that gives the monthly cost B, in dollars, of buying songs from Company B as a function of the number n of songs you buy in a month. ? C: What number of songs purchased will give the same monthly cost for Company A and Company B?
What will be an ideal response?
Find the slope and the y-intercept from the equation of the line. Sketch a graph of the equation.x = -7
A. m = undefined; y-intercept = none
B. m = undefined; y-intercept = none
C. m = 0; y-intercept = -7
D. m = -7; y-intercept = 0
Simplify by factoring. Assume no radicands were formed by raising negative numbers to even powers.
A. 25
B. 5
C. 11
D. 5
Factor the polynomial completely using the grouping method.25x + 35x2 + 6x3
A. x(x + 5)(6x + 5) B. prime C. 6x(x + 5)(x + 5) D. x(6x + 5)(x + 6)