Simplify. Assume that no denominator is zero.(10x4y-2)(9xy8)
A. 19x5y6
B. 90x4y6
C. 
D. 90x5y6
Answer: D
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Simplify the algebraic expression. [4x2 + (10x2 + 1)] - [-(-7x2 - (-4 - 5x2)) + 8x2]
A. 4x2 + 5 B. 24x2 - 3 C. -26x2 - 5 D. 8x2 - 3
Provide an appropriate response.The large pizza at Mama Sophia's restaurant is 16 inches across. If the server cuts it into 8 equal pieces, what is the area of each piece? Round to the nearest square inch.
What will be an ideal response?
Write the complex number in polar form. Express the argument in degrees, rounded to the nearest tenth, if necessary.15 + 20i
A. 25(cos 233.1° + i sin 233.1°) B. 25(cos 126.9° + i sin 126.9°) C. 25(cos 53.1° + i sin 53.1°) D. 25(cos 306.9° + i sin 306.9°)
Find the inverse of the relation.{(8, -7), (12, -7), (-9, 20)}
A. {(-7, 8), (-7, 12), (20, -9)} B. {(-7, 8), (15, 12), (20, -9)} C. {(8, 15), (8, 12), (20, -9)} D. {(-7, 8), (-9, 12), (20, 15)}