Use Heron's formula to find the area of the triangle. Round to the nearest square unit.a = 7, b = 13, c = 7
A. 34
B. 17
C. 36
D. 9
Answer: B
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The temperature T of a potato t minutes after being placed in the oven is given by
.
?
A: Plot the graph of the graph of temperature versus time over the first hour of baking.B: Use the calculator to estimate the value of 
after 15 minutes of baking. Round your answer to two decimal places.C: Use the calculator to estimate the value of 
after 30 minutes of baking. Round your answer to two decimal places.D: Explain in practical terms what the answers from parts B and C tell you about how the potato bakes over time.
What will be an ideal response?
Find the compound interest earned. Round to the nearest cent. Use your calculator, rather than the tables.$8000 at 8% compounded annually for 4 years
A. $2077.70 B. $2560.00 C. $641.50 D. $2883.91
Find an equation for the line, in the indicated form, with the given properties. Containing the points (-5, 0) and (5, 3); general form
A. 5x - 2y = 31 B. -3x - 10y = -15 C. -5x + 2y = 31 D. 3x - 10y = -15
Solve the problem.A machine produces open boxes using square sheets of plastic. The machine cuts equal-sized squares measuring 2 inches on a side from each corner of the sheet, and then shapes the plastic into an open box by turning up the sides. If each box must have a volume of 242 cubic inches, find the length of one side of the open box.
A. 13 in. B. 15 in. C. 10 in. D. 11 in.