?Evaluate the algebraic expression for the given values of the variables.
?
3 (x - 5) + 4 for x = 7
A. ?10
B. ?40
C. ?32
D. ?–2
Answer: A
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Solve the problem. Express any improper fraction as a whole or mixed number.Frank can type a report in 2 hours. James takes 8 hours to type it. How long will it take the two of them typing together?
A. 
hr
B. 2
hr
C. 1
hr
D. 
hr
Use the laws of exponents to simplify. Do not use negative exponents in the answer. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.(32k5m-10)1/5
A. 2km2
B. 
C. 5km2
D. 
Solve the problem.Find the perimeter and area of a rectangle whose length is 2 cm and width is 5 cm.
A. P = 8 cm, A = 20 cm2 B. P = 7 cm, A = 20 cm2 C. P = 14 cm, A = 10 cm2 D. P = 6 cm, A = 10 cm2
Solve the equation. Express radicals in simplest form.(2m - 5)2 = 81
A. {14, -4} B. {7, -2} C. {2, -7} D. {4, -14}