Factor completely.x9 - 6x8y - 27x7y2
A. x7(x - 3y)(x + 9y)
B. x7(x - 9y)(x + 3y)
C. x7(x + 9y)(x + 3y)
D. x6(x - 9y)(x + 3y)
Answer: B
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Solve the initial value problem.?
+ y = cos ?; ? > 0, y(?) = 1
A. y = 
, ? > 0
B. y = 
, ? > 0
C. y = 
, ? > 0
D. y = 
, ? > 0
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 4 servings of chicken, 4 servings of broccoli, and 2 cups of whole milk.
A. 
B. 
C. 
D. 
Find the expression.v = 9i + 2j; Find 3v.
A. 12i + 2j B. 27i + 2j C. 12i + 5j D. 27i + 6j
Find the x- and y-coordinates of the following labeled points.
A. G(5, 26); H(-2, -5) B. G(5, -2); H(5, -2) C. G(5, 5); H(-2, -5) D. G(5, 5); H(-5, -2)