Verify the identity.sin
= -cos ?
What will be an ideal response?
sin 
= sin 
cos ? - cos 
sin ? = (-1) ? cos ? - 0 ? sin ? = - cos ?
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Factor completely. If the polynomial is prime, then state this as your answer.25x2 + 80xy + 64y2
A. (5x - 8y)2 B. (5x + 8y)(5x - 8y) C. (5x + 8y)2 D. (25x + y)(x + 64y)
Find the coordinates of the midpoint of the line segment PQ.P(u - w, k), Q(u + w, k)
A. (k, u) B. (2u, 2k) C. (u, k) D. (-w, 0)
Solve the problem.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 and 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 $30 and on an SST ring is $60?
A. 0 VIP and 24 SST B. 8 VIP and 16 SST C. 16 VIP and 8 SST D. 12 VIP and 12 SST
Multiply.
?
?
A. 
B. ?
C. ?
D. ?
E. ?