When possible, apply the distributive law and combine like terms.9(y + 7) - 3
A. 9y + 60
B. 9y + 36
C. 16y - 3
D. 9y + 4
Answer: A
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Find the required quantity given the wire that lies along the curve r and has density ?.Moment of inertia Ix about the x-axis, where r(t) = 
t3/2i + (8t cos t)j + (8t sin t)k, 
A. Ix = 16 B. Ix = 24 C. Ix = 32 D. Ix = 0
Find the area of the circle. Use ? ? 3.14 and round to the nearest hundredth.diameter = 23 cm
A. 1661.06 cm2 B. 72.22 cm2 C. 415.27 cm2 D. 144.44 cm2
The mean is sometimes called the arithmetic mean to distinguish it from other possible means. For example, a different mean, called the geometric mean (G.M.), is used in business and economics for finding average rates of change, average rates of growth, or average ratios. This mean is defined to be the nth root of the product of the numbers. For example, the geometric mean of the numbers 4, 5, and 6 is
?
?
Find the arithmetic and geometric means for the numbers 2, 4, 6, 7, 7, 8 and 10.
?
Round your answers to the nearest hundredth.
?
A. 
B. 
C. ?
D. ?
E. ?
Solve the problem.Mark can remember only the first 5 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit is not a 0. If Mark were to dial all of the possible numbers and if it takes him 17 seconds to try each one, how long would it take to try every possibility?
A. 2.8 min B. 28.3 min C. 5.7 min D. 25.5 min