Translate the problem situation to a system of equations. Do not solve.Ricks Paint Store sells a special shade of pink paint (Ricky's Blush) which can be made from red paint and white paint. The amount of red paint should be three times the amount of white paint. How much of each kind of paint is needed to make 200 gallons of Ricky's Blush?
A. x + y = 200; x = 3y
B. x - y = 200; x = 4y
C. x - y = 200; x = 3y
D. x + y = 200; x = 4y
Answer: A
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Let v and w be two vectors in the plane with given magnitudes. The angle between v and w is ?. Find the expression. Round the answer to the nearest tenth.
= 7, 
= 14, ? = 70°
Find 
A. 13.3 B. 15.7 C. -46.0 D. 17.7
Set up the iterated integral for evaluating 
Dover the given region D.D is the right circular cylinder whose base is the circle 
in the xy-plane and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Find the unknown length in the right triangle. If necessary, round to the nearest tenth.
A. 11 yd B. 15 yd C. 12 yd D. 14 yd
Find the linear equation that meets the stated criteria.The linear equation y = 435x + 3420 provides an approximation of the annual cost (in dollars) of health insurance for a family of three, where 
represents 1984, 
represents 1985, and so on. Write an equation that yields the same y-values when the exact year number is entered.
A. y = 435(1983 - x) + 3420 B. y = 435(x - 1984) + 3420 C. y = 435(x - 1983) + 3420 D. y = 435(1984 - x) + 3420