Find the exact value of the expression without using a calculator.sin 
cos 
+ cos 
sin 
A. 1
B. 
C. 
D. 
Answer: C
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Find the product.(x + 4)(x - 4)
A. x2 + 8x - 16 B. x2 - 8 C. x2 - 16 D. x2 - 8x - 16
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
Factor completely. If the polynomial is prime, state so.z2 - 25
A. prime B. (x - 5)2 C. (x + 5)2 D. (z + 5)(z - 5)
Solve.A pharmacist is asked to give a customer 4.5 milliliters of an antibiotic over a period of 16 hours. If the antibiotic is to be given every 8 hours starting immediately, how much antibiotic should be given in each dose?
A. 0.28 ml B. 28.44 ml C. 0.04 ml D. 2.25 ml