Use the data set {-100, -99, -98, ..., -2, -1} to answer the following question(s).The data set has a mean of
A. -50.5.
B. -50.
C. -51.
D. -49.5.
E. none of these
Answer: A
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Use unit ratios or conversion factors to change to the units indicated. Round to the nearest tenth, if necessary.41.97 L to gallons
A. 39.9 gal B. 10.9 gal C. 44.5 gal D. 158.6 gal
Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.sin 
A. -1
B. - 
C. - 
D. 
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 6000 g of N1, 12,000 g of N2, and 11,000 g of N3. How many bags of each type of food should she order?
What will be an ideal response?
Find an equation of a line satisfying the given conditions.Perpendicular to x = -1, passing through (5, 8)
A. y = -8 B. x = -1 C. y = 8 D. y = -1