Provide an appropriate response.
Solve the system of equations graphically:y = 
x + 1
y = x - 1
A. 
B. 
C. 
D. 
Answer: A
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Solve. Write the answer in simplest form.Raya's Cinema received $5270 in movie admission tickets for one day. About 
of this amount was for G-rated movies. Find the amount of money received from G-rated movies.
A. $310 B. $44,795 C. $155 D. $620
Solve the problem.The angle of elevation ? of the sun in the sky at any latitude L is calculated with the formula 
? is the number of radians that the Earth has rotated through since noon when ? = 0. D is the declination of the sun. Westville has latitude 
Find the angle of elevation ? in degrees of the sun at 3 PM on February 29, 2012, where at that time 
and 
alt="" style="vertical-align: -4.0px;" /> A. 28.6° B. 0.5° C. 27.4° D. 9.8°
Solve the problem.The total revenue from the sale of x stereos is given by 
Find the average revenue from the sale of x stereos.
A. R(x) = 
2
B. R(x) = 1500x
2
C. R(x) = 3000x 
2
D. R(x) = 
2
Decide if the given values of x are solutions to the equation (Y/N).
? 7; x = 5, x = - 7
A. Yes, Yes B. Yes, No C. No, No D. No, Yes