Simplify.21 + (-27)(-27) - 26
A. 724
B. 1270
C. 49
D. 48
Answer: A
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Solve the problem.A person's hair length varies proportionately with the number of weeks it has been growing. If Fred shaved his head bald and his hair was 0.2 inches long after 4 weeks, how long would it be after an additional 12 weeks? Round to the nearest hundredth of an inch.
A. 2.40 in. B. 3.20 in. C. 0.60 in. D. 0.80 in.
Factor using substitution.2x4 - 13x2 + 18
A. (x2 - 2)(2x2 - 9) B. (x2 + 2)(2x2 - 9) C. (9 - 2x2)(2x2 - 9) D. (2x2 + 9)(2x2 - 9)
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Solve the problem.A 3-oz serving of roasted, skinless chicken breast contains 140 calories, 27 grams of protein, and 3 grams of fat. A broccoli spear contains 50 calories, 5 grams of protein, and 1 gram of fat. A cup of whole milk contains 150 calories, 8 grams of protein, and 8 grams of fat. The amount of calories, protein, and fat in one serving of chicken breast can be represented by the matrix 
. Find the matrices B and M for the amounts of calories, protein, and fat in a broccoli spear and a cup of whole milk, respectively, and write the matrix 
which
represents the calories, protein, and fat in 2 servings of chicken, 4 servings of broccoli, and 2 cups of whole milk.
A. 
B. 
C. 
D. 