Solve the problem.A spinner marked off in five equal-sized regions, numbered 2, 3, 4, 5, 6, is spun twice. Let the random variable X be the sum of the numbers of the regions where the pointer stops.(a) Find the set of possible outcomes(b) Create a probability bar graph for X.
A. (a) {4, 5, 6, 7, 8, 9, 10, 11, 12}
(b)
B. (a) {4, 5, 6, 7, 8, 9, 10, 11, 12}
(b) 
C. (a) {4, 5, 6, 7, 8}
(b) 
D. (a) {4, 5, 6, 7, 8, 9, 10, 11, 12}
(b) 
Answer: D
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Use the problem-solving strategy for applications of linear equations to solve the application problem.A health food store sells a trail mix for $8 per pound and premium cashews for $15 per pound. The manager wishes to make a 350-pound 
mixture that will sell for $9 per pound. How many pounds of each should be used?
A. 175 lb of trail mix 175 lb of cashews B. 200 lb of trail mix 150 lb of cashews C. 50 lb of trail mix 300 lb of cashews D. 300 lb of trail mix 50 lb of cashews
Find the particular solution to the given differential equation that satisfies the given conditions.D2y - 6 Dy + 9y = 0; Dy = 2 and y = 5 when x = 0
A. y = (5 - 13x)e3x B. y = (5 + 13x)e3x C. y = (5 - 13x)e-3x D. y = (c1 + c2x)e3x
Solve the problem.The manager of a pet store has found that if the price of a dog collar is 
then x collars will be sold. An expression for the total revenue from the sale of x collars is R(x) = 90x - 
. Find the number of collars that will produce maximum revenue.
A. 400 B. 360 C. 720 D. 340
Place the correct inequality symbol, < or >, to compare each pair of numbers.560 
592
A. < B. >