Each day Larry needs at least 10 units of vitamin A, 12 units of vitamin B, and 20 units of vitamin C. Pill #1 contains 4 units of A and 3 of B. Pill #2 contains 1 unit of A, 2 of B, and 4 of C. Pill #3 contains 
of A, 1 of B, and 5 of C.Pill #1 costs 6 cents, pill #2 costs 11 cents, and pill #3 costs 
Larry wants to minimize cost. What is the constraint inequality for vitamin A?
A. 3P1 + 2P2 + P3 ? 12
B. 4P2 + 5P3 ? 20
C. 6P1 + 11P2 + 5P3 ? 10
D. 4P1 + P2 + 10P3 ? 10
Answer: D
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Solve the problem using the rule of 78.Jamal has a 60-month fixed installment loan, with a monthly payment of $270.00. The amount he borrowed was $13,500. Instead of making his 35th payment, Jamal is paying the remaining balance on the loan. How much interest will Jamal save?
A. $479.51 B. $457.63 C. $551.43 D. $431.56
Sketch the curve.The equation of an ellipse with center (h, k) and major axis parallel to the x-axis is 
Sketch the ellipse that has a major axis of 12, a minor axis of 10, and for which (h, k) is (-3, 3).
A. 
B. 
C. 
D. 
Graph the system of linear inequalities in two variables.
A. 
B. 
C. 
D. 
Write the expression in standard form.i(6 - 6i)(9 - 3i)
A. -72 - 36i B. 72 + 36i C. 18i3 + 72i2 + 54i D. 72 + 54i