Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it.b2 - 7b + 6 = 0
A. Cannot be solved by factoring
B. (b + 6)(b + 1) = 0
C. (b - 8)(b - 1) = 0
D. (b - 6)(b - 1) = 0
Answer: D
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Solve the problem.The speed of a stream is 4 mph. If a boat travels 88 miles downstream in the same time that it takes to travel 44 miles upstream, what is the speed of the boat in still water?
A. 14 mph B. 8 mph C. 12 mph D. 15 mph
Solve. Round to the nearest whole if necessary.One day 16 office workers were sick with the flu. If this were 16% of the total number of office workers, how many office workers were there altogether?
A. 256 office workers B. 100 office workers C. 1000 office workers D. 2560 office workers
Solve the problem.Suppose an animal feed to be mixed from soybean meal and oats must contain at least 100 lb of protein, 20 lb of fat, and 12 lb of mineral ash. Each 100-lb sack of soybean meal costs $20 and contains 50 lb of protein, 10 lb of fat, and 8 lb of mineral ash. Each 100-lb sack of alfalfa costs $11 and contains 30 lb of protein, 8 lb of fat, and 3 lb of mineral ash. How many sacks of each should be used to satisfy the minimum requirements at minimum cost?
A. 
sacks of soybeans and 
sacks of alfalfa
B. 2 sacks of soybeans and 0 sacks of alfalfa
C. 
sack of soybeans and 
sack of alfalfa
D. 0 sacks of soybeans and 2 sacks of alfalfa
Use inverse functions where needed to find all solutions of the equation in the interval .
