Solve the system of equations by the substitution method.
A. (-35, 7)
B. (7, -35)
C. infinite number of solutions
D. no solution
Answer: A
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Graph the system of inequalities. Shade the region that represents the solution set.x2 + y ? 1x2 - y ? 2
A. 
B. 
C. 
D. 
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Solve the problem.An open-top box is to be made by cutting small identical squares from each corner of a 
sheet of tin and bending up the sides. If each corner square is x inches on a side, the volume of the box (in in.3) is given by: V(x) = 100x - 40x2 + 4x3Find V(2).
A. 76 in.3 B. 72 in.3 C. 152 in.3 D. 74 in.3
Use the given conditions to write an equation for the line in slope-intercept form.Passing through (5, 4) and perpendicular to y = 
x + 2
A. y = 4x - 24
B. y = - 4x + 24
C. y = - 
x - 6
D. y = - 4x - 24