Multiply.-9x(11x + 10)
A. -189x2
B. -99x2 - 90x
C. -99x2 + 10x
D. 11x2 - 90x
Answer: B
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Identify the type of surface represented by the given equation.x = 6z2, no limit on y
A. Sphere B. Cylinder C. Hyperboloid of two sheets D. Parabolic cylinder
Find an equation for the sphere with the given center and radius.Center (-3, 0, 0), radius = 7
A. x2 + y2 + z2 - 6x = 40 B. x2 + y2 + z2 + 6x = 40 C. x2 + y2 + z2 - 6x = 7 D. x2 + y2 + z2 + 6x = 7
Use inductive reasoning to predict the next line in the pattern. Then perform the arithmetic to determine whether your conjecture is correct.37,037 × 3 = 111,11137,037 × 6 = 222,22237,037 × 9 = 333,33337,037 × 12 = 444,444
A. 37,037 × 13 = 481,481 B. 37,037 × 15 = 555,555 C. 111,111 × 15 = 1,666,665 D. 37,037 × 18 = 666,666
Graph the inequality.y ? 7 
A. 
B. 
C. 
D. 