Solve.City A has an elevation of 13,158 feet above sea level while city B has an elevation of 18,180 feet below sea level. Find the difference in elevation between those two cities.
A. 31,338 ft
B. 31,438 ft
C. 5022 ft
D. 5122 ft
Answer: A
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Plot the ordered pairs on the rectangular coordinate system provided.A
, B(-2, 2)
A. 
B. 
C. 
D. 
Solve each problem.Le Boulangerie, a bakery, sells four main items: sweet rolls, bread, cakes, and pies. The amount of each ingredient (in cups, except for eggs) required for these items is given by matrix A. Eggs Flour Sugar Shortening Milk
= A
The cost (in cents) for each ingredient when purchased in large lots or small lots is given in matrix B. Cost
Large Lot Small Lot
= B
Suppose a day's orders consist of 20 dozen sweet rolls, 200 loaves of bread, 50 cakes, and 60 pies. Use matrix multiplication to find a matrix giving the costs under the two purchase options to fill the day's orders.
A. 
B. 
C. 
D. These matrices cannot be multiplied.
Simplify.
A. 
B. 
C. 2
D. 
Use Descartes’s Rule of Signs to determine the possible numbers of positive and negative zeros of the function 4x 5 – 8x.
a. One negative zero b. One negative zero or three positive zeros c. Two negative zeros or no positive zero d. One positive zero, one negative zero