Solve the inequality.25x2 + 81 < 90x
A. 
B. No real solution
C. 
D. 
Answer: B
Mathematics
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Find the slope of the polar curve at the indicated point.r = 4 csc ?, ? = 
A. 0 B. -1 C. 1 D. Undefined
Mathematics
Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.(x4y5)7/3
A. x12/7y15/7 B. x28/3y35/3 C. x19/3y22/3 D. x35/3y28/3
Mathematics
Write a signed number for the statement.159 feet above sea level
A. -159 B. 159
Mathematics
Write the expression in radical form and then evaluate.165/4
A. 256 B. 512 C. 128 D. 32
Mathematics