Solve the problem.A student earned scores of 85, 83, 90, 94, 88, and 84 on the first six tests in a biology class. What score is needed on the seventh test to produce an 86 average?
A. 80
B. 78
C. 79
D. 81
Answer: B
Mathematics
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Decide whether or not the ordered pair is a solution of the system.(4, -1)x + y = -5x - y = -3
A. Yes B. No
Mathematics
Factor the expression.24y - 48
A. 48(y - 2) B. 24(y - 2) C. 24(y + 2) D. No common factor
Mathematics
Use estimation to select the best response. Do not calculate. ? In order to retire and live on the interest only, what is a reasonable amount to have in the bank? ? $ __________ (10,000; 300; 500,000; impossible to estimate)
What will be an ideal response?
Mathematics
Write the binomial expansion of the expression.(5x + 3)4
A. 625x3 + 1500x2 + 1350x + 540 B. (25x2 + 15x + 9)4 C. 625x4 + 1500x3 + 1350x2 + 540x + 81 D. 1875x4 + 4500 x3 + 1350x2 + 1620x + 81
Mathematics