Determine whether the given point lies on the line.(3, -2), y = -5(x + 3) + 4
A. Yes
B. No
Answer: B
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Use the fundamental identities to find the value of the trigonometric function.Find cos ? if csc ? = - and ? is in quadrant IV.
A.
B.
C.
D. -
Solve the problem.A particular substance decays in such a way that it loses half its weight each day. How much of the substance is left after 8 days if it starts out at 64 grams?
A. g
B. 2 g
C. 4 g
D. g
Solve the problem.An appliance store sells two types of refrigerators. Each Cool-It refrigerator sells for $640 and each Polar sells for $740. Up to 270 refrigerators can be stored in the warehouse and new refrigerators are delivered only once a month. It is known that customers will buy at least 70 Cool-Its and at least 110 Polars each month. How many of each brand should the store stock and sell each month to maximize revenues?
A. 160 Cool-Its and 110 Polars B. 230 Cool-Its and 155 Polars C. 85 Cool-Its and 185 Polars D. 70 Cool-Its and 200 Polars
Solve the problem.Jim can run 5 miles per hour on level ground on a still day. One windy day, he runs 11 miles with the wind, and in the same amount of time runs 6 miles against the wind. What is the rate of the wind?
A. 1 mph
B. 5 mph
C. 17 mph
D. 2 mph