A zoo veterinarian can purchase animal food of 4 different types, A, B, C, and D. Each food comes in the same size bag, and the number of grams of each of three nutrients in each bag are summarized in the following table. Use this information to answer the questions that follow. Food
For one animal, she determines that she needs to combine these bags to get 9000 g of N1, 19,000 g of N2, and 17,000 g of N3. Use the matrix operations on a graphing calculator to determine how many bags of each type of food should she order.
What will be an ideal response?
A = 3D; B = 800 - 2D; C = 500 - D; D = any amount (? 400)
Mathematics
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Solve the problem.A = ?r2, where r is the radius, in centimeters. By approximately how much does the area of a circle decrease when the radius is decreased from 2.0 cm to 1.8 cm? (Use 3.14 for ?.)
A. 2.7 cm2 B. 2.5 cm2 C. 1.3 cm2 D. 2.3 cm2
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Write as the sum and/or difference of logarithms. Express powers as factors. logb
What will be an ideal response?
Mathematics
Solve the equation.15x = 1
A. {1}
B. {0}
C. 
D. ?
Mathematics
Solve the problem.Suppose all items in an ice cream truck cost $0.94 per item. (a) Fill in the table with the correct response for the cost f(x) of purchasing x items. (b). Write the linear function that gives a rule for finding the cost. 
A. None of these
B.
(a)  | (b) f(x) = 0.94x + 0.94 |
C.
(a)  | (b) f(x) = 0.94x |
D.
(a)  | (b) f(x) = 0.94 |
Mathematics