The ratio of seven to ten may be written as
(a) 7:10
(b) 
(c) 17/10.
(d) 10:7.
(e) None of these is correct.
(a) 7:10
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Solve the problem.In one area, the lowest angle of elevation of the sun in winter is 25° 1'. A fence is to be built 
away from a plant in the direction of the sun. (See drawing) Find the maximum height, x , for the fence so that the plant will get full sun. Round your answer to the tenths place when necessary.
A. 5.5 ft B. 6.2 ft C. 6.5 ft D. 7.7 ft
Graph the linear inequality.x + y < -2
A. 
B. 
C. 
D. 
Write the equation for the plane.The plane through the points P(5, -8, 40) , Q(-3, -6, 58) and R(-1, 6, -34).
A. 7x + y + 4z = -4 B. 7x + y + 4z = 4 C. 4x + 7y + z = 4 D. 4x + 7y + z = -4
Fill in the blank with one of the words or phrases listed below. Some words may be used more than once.
= tax rate ? purchase price.
A. Total price B. Sale price C. Amount of discount D. Sales tax