Simplify the expression. Assume that all variables represent nonnegative real numbers.-10
- 10
+ 2
A. -950
B. -142
C. 950
D. -10
Answer: B
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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?
Write the Babylonian numeral as a Hindu-Arabic numeral.
A. 60 B. 85 C. 140 D. 120
Solve the equation by factoring.10x3 + 70x2 + 120x = 0
A. {0, -4, -3}
B. {0, 4, 3}
C. {-4, -3}
D. 
Solve the problem.Find the surface area of the rectangular solid.
A. 105 m2 B. 142 m2 C. 71 m2 D. 210 m2