Write a fractional rate. Simplify the rate to a unit rate and write it as a phrase.Yesterday Alison made $69.74 for 2 hours of work. What was her unit rate?
A. 
; $34.87 per hour
B. 
; $36.87 per hour
C. 
; $69.74 per hour
D. 
; $2.00 per hour
Answer: A
Mathematics
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Solve.
= 3 + 
A. 5, 8 B. -1 C. -5, -8 D. No solution
Mathematics
A point on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function of ?.(21, 28) Find cos ?.
A. 
B. 
C. 
D. 
Mathematics
Perform the addition or subtraction.(5x2 + 7x - 4) - (7x2 - 6)
A. 12x2 + 7x - 10 B. -2x2 + 7x + 2 C. 12x2 + 13x - 4 D. -2x2 + 13x - 4
Mathematics
Find the value of the expression using the given values.
?x = 6
A. -6
B. 2
C. 6
D. -2
Mathematics