Solve the problem.It costs $23 per hour plus a flat fee of $28 for a plumber to make a house call. What is an equation of the form 
for this situation?
A. y = 28x + 23
B. y = 23x
C. y = 23x + 28
D. y = 28x
Answer: C
Mathematics
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- 6
- 6
A. -59
B. -12
C. -12
D. -59
Mathematics
Establish the identity.
= sin ? sin ?
What will be an ideal response?
Mathematics
Use your grapher to determine which of the graphs matches the given polar equation.r = 4 cos 3?
A. 
B. 
C. 
D. 
Mathematics
Solve.If 2.7 pounds of a certain grain cost $2.43, how much will 5.2 pounds of the grain cost?
A. $4.79 B. $4.38 C. $3.62 D. $4.68
Mathematics