Graph the inequality.x + y < -4
A. 
B. 
C. 
D. 
Answer: C
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Find the area of the shaded region in the figure. Round results to the nearest unit.Find the shaded area in the figure.
A. 27.9 cm2 B. 55.8 cm2 C. 158 cm2 D. Not enough information.
A container contains a large unspecified number of ping-pong balls. A student takes 80 balls from the container, marks them with a blue dot, returns the marked balls to the container, and thoroughly mixes the balls. She then takes 80 balls again from the container. Of these, 16 have blue dots. She now wants to use this data to estimate the total number of ping-pong balls in the container.The best estimate for the percentage of ping-pong balls in the container that are marked is
A. 15%. B. 5%. C. 10%. D. 20%. E. none of these
Find the angle between u and v in radians.u = -4i - 2j, v = 4i + 3j + 6k
A. 1.85 B. -0.68 C. 1.59 D. 2.25
The simple interest note was discounted at 15%. Find the discount period in days and the proceeds.Loan made: Oct 13Face value: $52,000Length of loan: 100 daysRate: 11%Date of discount: Jan 4
A. 17 days, $51,620.41 B. 17 days, $53,209.30 C. 18 days, $51,705.26 D. 18 days, $53,294.15