Multiply and simplify.
A. 
B. 
C. 
D. 
Answer: A
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a and b represent the two legs of a right triangle, while c represents the hypotenuse. Find the length of the unknown side.b = 20 cm, c = 52 cm
A. a = 48 cm B. a = 36 cm C. a = 56 cm D. a = 49 cm
Find (i) the amplitude, (ii) the period, and (iii) the phase shift.y = - 
sin(4x + 3?)
A.
(i)  | (ii) 4 | (iii) -  |
B.
| (i) 2 | (ii)  | (iii) 3? |
C.
(i) -  | (ii) 4 | (iii) -  |
D.
(i)  | (ii)  | (iii) -  |
The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring, versus 2 man-hours to make one SST ring.How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $60 and on an SST ring is $20?
A. 24 VIP and 0 SST B. 20 VIP and 0 SST C. 24 VIP and 4 SST D. 20 VIP and 4 SST
Solve.Mary borrowed 
to finish college at an interest rate of 
per year. How much interest will Mary need to pay next year?
A. $21,000 B. $12,900 C. $9000 D. $900