Factor the polynomial by grouping.3x2 + 7x + 21x + 49
A. (3x + 7)(3x + 7)
B. prime
C. (3x + 7)(7x + 3)
D. (x + 7)(3x + 7)
Answer: D
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Draw a graph of the function and use the graph to answer the question.During the month of January, the depth of the snow, at the base of one ski resort, decreased by 2 inches each day. On December 31st there was a base of 63 inches. Graph the equation and use the graph to estimate the depth of snow on January 28th.
A. 15 inches
B. 35 inches
C. 7 inches
D. 12 inches
Perform indicated operation and round as indicated.1,758.55 ÷ 0.023 round to three decimal places
A. 7,645.870 B. 76,458.696 C. 76,459.196 D. 7,645.920
Solve the problem.Michael's bank contains only nickels, dimes, and quarters. There are 67 coins in all, valued at $5.25. The number of nickels is 1 short of being three times the sum of the number of dimes and quarters. How many dimes are in the bank?
A. 15 dimes B. 10 dimes C. 50 dimes D. 7 dimes
Write an equation of the line with slope ?4 and containing the point (?3, 5) .
What will be an ideal response?