Perform the indicated operations. Write the resulting polynomial in standard form.(-2x + 12y)(-5x - 2y)
A. 10x2 - 56xy - 24y2
B. 10x2 + 4xy - 24y2
C. 10x2 - 60xy - 24y2
D. 10x2 - 56xy - 56y2
Answer: A
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Find the midpoint of the line segment joining the two points.(0, -9) and (9, 0)
A. 
B. 
C. (9, -9)
D. (-9, -9)
Rewrite the following as a product of trigonometric functions.cos 9° - cos 33°
A. -2 cos 21° cos(-12°) B. -2 cos 21° sin(-12°) C. -2 sin 21° sin(-12°) D. -2 sin 21° cos(-12°)
Determine the degree of the polynomial.4t6 + 5t3 + 4 - 3t2
A. 4 B. 11 C. 6 D. 12
Solve the problem.Brand X copier has improved its copier so that it produces 20% more copies than its old model. If the old model ran 572 copies per hour, how many copies would the new model run? Round your answer to the nearest whole number.
A. 671 copies per hour B. 587 copies per hour C. 686 copies per hour D. 318 copies per hour