Factor, if possible; if the polynomial is not factorable, write "prime."12 + 7s + s2
A. (12 + s)(1 + s)
B. (4 - s)(3 - s)
C. (4 + s)(3 + s)
D. (12 + s)(7 + s)
Answer: C
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Evaluate the expression.
+ 
A. -57 B. -23 C. -197 D. 63
If the number in the statement is written in scientific notation, write it without exponents. If it is written without exponents, write it in scientific notation.The earth is approximately 92,900,000 miles from the sun.
A. 9.29 × 10-7 B. 9.29 × 107 C. 9.29 × 108 D. 9.29 × 106
Solve the problem.Sue can sew a precut dress in 3 hours. Helen can sew the same dress in 2 hours. If they work together, how long will it take them to complete sewing that dress? Give your answer rounded to one decimal place, if necessary.
A. 5 hr B. 1.8 hr C. 1.2 hr D. 2.5 hr
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.
÷ 
A. 
B. 
C. 1
D. 2