Find the exact value of the integral using formulas from geometry.
dx
A. 36?
B. 9?
C. 6?
D. 18?
Answer: B
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Carli and Dale want to divide fairly the chocolate-strawberry cake shown below. The total cost of the cake was $18.00. Carli values strawberry and banana equally, but values chocolate twice as much as either of these put together. Dale values chocolate three times as much as he values strawberry. Further, he values strawberry twice as much as he values banana.
In Carli's eyes, the piece shown below is worth
A. $3.00 B. $2.00 C. $1.50 D. $2.50 E. none of these
Solve the problem.The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches, according to the equation 
What rainfall produces the maximum number of mosquitoes?
A. 6 in. B. 36 in. C. 3 in. D. 0 in.
Solve the problem.Raya is saving 
of her monthly income of $7650 for retirement. How much money is she setting aside each month for retirement?
A. $150 B. $43,350 C. $450 D. $1350
An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities representing the constraints. Find the value of the objective function at each corner of the graphed region. Use these values to determine the maximum value of the objective function and the values of x and y for which the maximum occurs.Objective Functionz = 7x - 8yConstraints0 ? x ? 5 0 ? y ? 8 4x + 5y ? 30 4x + 3y ? 20
A. maximum: -31.25; at (1.25, 5) B. maximum: 35; at (5, 0) C. maximum: -48; at (0, 6) D. maximum: 0; at (0, 0)