Identify the exercise as either a permutation (order matters) or combination (order does not matter) counting problem. Do not actually solve the exercise.How many different user ID's can be formed from the letters W, X, Y, Z if no repetition of letters is allowed?
A. Permutation
B. Combination
Answer: A
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Find dy/dx by implicit differentiation. If applicable, express the result in terms of x and y.(2y - x)3 + y2 = x - 6
A. 
B. 
C. 
D. 
Graph the line y = mx + b for the given values.m = - 
, b = 5
A. 
B. 
C. 
D. 
Solve the problem.Vincent earns $12.32 per hour with time and a half for overtime and worked 49.75 hours during a recent week. Find his gross pay for the week?
A. $134.75 B. $612.92 C. $672.98 D. $180.18
Assume the distribution is normal. Use the area of the normal curve to answer the question. Round to the nearest whole percent.A certain grade egg must weigh at least 2.5 oz. If the average weight of an egg is 1.5 oz, with a standard deviation of .4 oz, how many eggs in a sample of 9 dozen would you expect to be overthe 2.5 oz size?
A. 2 eggs B. 1 egg C. 12 eggs D. 5 eggs