Solve.25 = 4 + x
A. 31
B. 21
C. 11
D. 27
Answer: B
Mathematics
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Solve the equation for the unknown quantity x.5x = 26
A. 0.49 B. 3.04 C. 1.35 D. 2.02
Mathematics
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Find the simple interest earned on $14,300 saved for 
years at an interest rate of 5%.
A. $893.75 B. $715.00 C. $8937.50 D. $7150.00
Mathematics
Identify f as being linear, quadratic, or neither. If f is quadratic, identify the leading coefficient.f(x) = -2x - 9
A. Linear B. Quadratic; -2 C. Quadratic; -9 D. Neither
Mathematics
You are given the graph of a function f. Determine the intervals where f is concave upward.?
?
?
A. 
B. ?
C. ?
D. ?
Mathematics