Multiply, then simplify the product. Assume that all variables represent positive real numbers.(
- 5)(
+ 2)
A. x
- 10
B. x
+ 
- 10
C. x
- 10
D. x
+ 2
- 5
- 10
Answer: D
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?
?
A. ?
B. ?
C. ?
D. 
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Estimate the probability of an event (empirical probability). A die is rolled 50 times with the following results.
Estimate the probability that the die comes up a 5.
A. 
B. 
C. 
D. 
Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 44 sec B. 22 sec C. 11 sec D. 33 sec
Solve the problem.A vendor has learned that, by pricing hot dogs at $1.25, sales will reach 127 hot dogs per day. Raising the price to $2.25 will cause the sales to fall to 75 hot dogs per day. The number of hot dogs, N, is a linear function of the price, x. Write a linear function that models the number of hot dogs sold per day when the price is x dollars each.
A. N(x) = 52x + 62
B. N(x) = -52x + 192
C. N(x) = -52x - 192
D. N(x) = - 
x + 