Solve the inequality. Write the solution set in interval notation.-2x2 + 8x ? 0
A. (-?, 0] ? 
B. 
? [0, ?)
C. 
D. 
Answer: D
Mathematics
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Determine the number of figures (of any size) in the design.Triangles (of any size)
A. 19 B. 13 C. 15 D. 16
Mathematics
Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 16 B. 2 C. -2 D. not a real number
Mathematics
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.(-32)1/5
A. -8 B. 32 C. -2 D. 16
Mathematics