Solve.A plumbing supply company sold the following lengths of PVC pipe in one day: 48 ft, 25 ft, 8 ft, and 14 ft. What was the total length of pipe sold?
Fill in the blank(s) with the appropriate word(s).
95 ft
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Factor using the reverse FOIL method.20x2 + 23x + 6
A. (4x - 3)(5x - 2) B. (20x - 3)(x - 2) C. (20x + 3)(x + 2) D. (4x + 3)(5x + 2)
Solve for x.-0.7x + 1.15 = -0.4x + 2.95
A. -6 B. -54.545 C. -16.364 D. 6
Solve the problem.The concentration of alcohol in a person's blood is measurable. Suppose that the risk R (given as a percent) of having an accident while driving a car can be modeled by the equation R = 5ekxwhere x is the variable concentration of alcohol in the blood and k is a constant.Suppose that a concentration of alcohol in the blood of 0.07 results in a 10% risk 
of an accident. Find the constant k in the equation.Using this value of k, what is the risk if the concentration is 0.11?
What will be an ideal response?
Solve the problem.A survey of 2028 credit card users indicated that 914 had bought books online, 878 had bought music online, 448 had bought pet supplies online, 105 had bought both books and music, 182 had bought both books and pet supplies, 171 had bought both music and pet supplies, and 74 had bought all three. How many credit card users did not buy any of the three? How many bought either books or pet supplies but not music?
A. 172; 870 B. 246; 870 C. 172; 944 D. 172; 978