Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion.
B. I is not a proportion, II is a proportion.
C. I and II are both proportions.
D. Neither I nor II are proportions.
Answer: C
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Find the acute angle, in degrees, between the lines.(1 + 
) x + (1 - 
) y = 14 and 
x + y = 11
A. 60° B. 30° C. 75° D. 45°
Determine whether the function is a polynomial function, a rational function, a radical function, or an exponential function.f(x) = 4x1/2
A. Polynomial
B. Rational
C.
| Radical |
D. Exponential
Solve the formula for the specified variable.A = P(1 + nr) for r
A. r = 
B. r = 
C. r = 
D. r = 
Factor the expression completely. If the polynomial is prime, state this as your answer.a3b3 - 64c3
A. (ab - 4c)(a2b2 + 4abc + 16c2) B. (ab + 4c)(a2b2 - 4abc + 16c2) C. (ab - 4c)(a2b2 + 4abc - 16c2) D. (ab - 4c)(a2b2 - 4abc + 16c2)