Find the slope and the y-intercept of the given line.y = -4x + 7
A. -4, (0, -7)
B. 7, (0, -4)
C. -7, (0, -4)
D. -4, (0, 7)
Answer: D
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Find the unknown value.When money is invested at 2% simple interest for 4 years, the interest is $224. Find the principal.
A. $2800 B. $2900 C. $280 D. $2700
Rewrite the expression as a product. Simplify if possible.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Solve the problem.Determine whether the ordered triple 
is a solution of the system of equations.9x + 6y + 9z = 56x + 3y - 3z = 14 x - y + 2z = -3
A. No B. Yes
Solve the right triangle shown in the figure. Round lengths to one decimal place and express angles to the nearest tenth of a degree. 
a = 16.7, c = 22.4
A. A = 48.2°, B = 41.8°, b = 14.9 B. A = 48.2°, B = 48.2°, b = 14.9 C. A = 53.3°, B = 36.7°, b = 27.9 D. A = 48.2°, B = 41.8°, b = 27.9