Simplify.-2.4(9.4) ÷ 2
A. 11.28
B. -11.28
C. 22.56
D. -22.56
Answer: B
Mathematics
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Solve the problem.A cylinder is to be made so that its volume is equal to that of a sphere with a radius of 3 inches. If a cylinder is to have a height of 9 inches, find its radius.
A. 1.5 in.
B. 2
in.
C. 2 in.
D. 
in.
Mathematics
Write using exponential notation.19 × 19 × 19 × 19 × 19
A. 195 B. 519 C. 5 × 519 D. 5 ? 19
Mathematics
Perform the indicated operation. Give answer in standard form.
A. 4 + 4i B. 4 + 5i C. 4 + 10i D. 5 + 5i
Mathematics
Factor completely, or state that the polynomial is prime.x8 - 1
A. (x4 - 1)2 B. (x4 + 1)(x2 + 1)(x + 1)(x - 1) C. prime D. (x2 - 1)4
Mathematics