Subtract.14 - (-3)
A. -11
B. 17
C. 11
D. -17
Answer: B
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Solve the problem.A group reserves a room in a restaurant for an engagement party. The buffet dinner normally costs $32 per person. A group discount reduces the price by $0.50 for each person who attends; the more dinners sold, the lower the per-person price. The maximum capacity of the room is 140 people. What size of party would maximize the restaurant's revenue?
A. 140 B. 130 C. 32 D. 64
Solve the problem.In 1838, the German mathematician and astronomer Friedrich Wilhelm Bessel was the first person to calculate the distance to a star other than the Sun. He accomplished this by first determining the parallax of the star, 61 Cygni, at 0.314 arc seconds (Parallax is the change in position of the star measured against background stars as Earth orbits the Sun. See illustration.) If the distance from Earth to the Sun is about 150,000,000 km and ? = 0.314 seconds = src="https://sciemce.com/media/4/ppg__10624191815__f1q29g3.jpg" alt="" style="vertical-align: 0.0px;" height="194" width="259" />
What will be an ideal response?
minutes = 
degreesdetermine the distance d from Earth to 61 Cygni using Bessel's figures.
Solve the problem using the elimination method.Two angles are supplementary, and one is 40° more than three times the other. Find the smaller angle.
A. 145° B. 75° C. 105° D. 35°
Determine whether the given ordered pair is a solution to the system of equations.
3x + 5 = 3 - y-3x + 4y = -13
A. Yes B. No