Solve the problem.The shape of a patio is trapezoidal with a height of 8 ft and bases of 15 ft and 9 ft. What is the cost of outdoor carpeting to cover the patio if the carpeting costs $1.50 per ft2?
A. $60.00
B. $48.00
C. $155.25
D. $144.00
Answer: D
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Multiply.0.0077 × 0.017
A. 0.00001309 B. 0.0001309 C. 0.001309 D. 0.00000131
Find the equations of the system shown on the graphing calculator screen.10
-10
A. 5x + y = 20 2x - y = 1 B. x + y = 1 x - 3y = -9 C. x + 4y = 22 x - 2y = -8 D. y = 2x + 1 y = -0.3x - 5.9
Divide.1096.34 ÷ 38.2
A. 287 B. 2.87 C. 28.7 D. 29.7
Which of the following is not true? ?
A. ?The percent of scores in a normal distribution that lie to the right of the mean is 50%. B. ?The percent of scores in a normal distribution that lie to the left of 1 standard deviation below the mean is 15.9%. C. ?The percent of scores in a normal distribution that lie between 3 standard deviations below the mean and 1 standard deviation above the mean is 50%. D. ?The percent of scores in a normal distribution that lie between 2 standard deviations below the mean and 1 standard deviation above the mean is 81.7%. E. ?The percent of scores that lie under the normal curve is 100%.