Find the exact value of the product.sin 45° sin 15°
A. 
- 
B. 
- 
C. 
- 
D. 
- 
Answer: D
Mathematics
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Write with positive exponents only.
4
A. 
B. 
C. 
D. 625x4
Mathematics
Solve.The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 35 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 40 feet and 10-foot walls.
A. 400 quarts B. 8 quarts C. 4 quarts D. 40 quarts
Mathematics
Factor the trinomial by grouping.20 + 63x2 - 73x
A. (9x - 4)(7x + 5) B. (9x + 4)(-7x + 5) C. (9x - 4)(7x - 5) D. prime
Mathematics
Determine whether or not the given function is an exponential function.y = ex7 + 2x
A. exponential B. not exponential
Mathematics