Rationalize the denominator and simplify.
A. 
B. 
C. 
D. 
Answer: A
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State whether the vectors are parallel, orthogonal, or neither.v = 4i + 2j,
w = 8i + 4j
A. Parallel B. Orthogonal C. Neither
Find the indicated trigonometric function of ?.
Find sec A and csc A.
A. sec A = 
; csc A = 
B. sec A = 
; csc A = 
C. sec A = 
; csc A = 
D. sec A = 
; csc A = 
Write the percent as a fraction or mixed number in simplest form.93.75%
A. 
B. 93
C. 93
D. 
Find the perimeter (or circumference) and area of the figure.Give the exact value and an approximation using ? ? 3.14.
A. circumference = 15? ? 47.10 cm area = 225? ? 94.20 sq cm B. circumference = 15? ? 47.10 cm area = 56.25? ? 176.63 sq cm C. circumference = 7.5? ? 47.10 cm area = 56.25? ? 176.63 sq cm D. circumference = 7.5? ? 47.10 cm area = 225? ? 706.50 sq cm