Divide. Express your answer in simplest form.5
÷ -4
A. -1
B. -2
C. -1
D. -1
Answer: D
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Solve the problem.Three boxes are labeled "CDs," "DVDs," and "CDs & DVDs." Each label is wrong. Bey selecting just one item from just one box, how can you determine the correct labeling of the boxes?
What will be an ideal response?
Write a formula for the nth term of the indicated sequence. Write out the first five terms of the sequence.arithmetic: a = 13, d = 9
A. an = 9n + 13; 13, 22, 31, 40, 49 B. an = 13n + 4; 22, 31, 40, 49, 58 C. an = 9n + 4; 13,22, 31, 40, 49 D. an = 9n + 13; 22, 31, 40, 49, 58
Solve the problem.A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was 5 hours. If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?
A. Bike: 12 mph Hike: 2 mph B. Bike: 13 mph Hike: 3 mph C. Bike: 14.5 mph Hike: 4.5 mph D. Bike: 11.5 mph Hike: 1.5 mph
Solve the problem.Use the formula N = Iekt, where N is the number of items in terms of the initial population I, at time t, and k is the growth constant equal to the percent of growth per unit of time. An artifact is discovered at a certain site. If it has 48% of the carbon-14 it originally contained, what is the approximate age of the artifact? (carbon-14 decays at the rate of 0.0125% annually.)
A. 4160 years B. 2550 years C. 5872 years D. 3840 years