If welding rods cost $59 per 50 lb, how much would it cost for 90 lb?
A. $111.20
B. $106.20
C. $104.20
D. $113.70
E. $102.70
Answer: B
Mathematics
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Perform the indicated clock arithmetic.4 
3 (5-hr clock)
A. -1 B. 6 C. 5 D. 1
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Graph the equation. y = 
x - 3 
A. 
B. 
C. 
D. 
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Solve the equation for t if 
. Give the answer as an exact value in radians. Do not use a calculator.
?
What will be an ideal response?
Mathematics
Find the appropriate linear cost or revenue function.A cab company charges a base rate of $1.50 plus 15 cents per minute. Let C(x) be the cost in dollars of using the cab for x minutes. Find the linear cost function.
A. C(x) = 1.50x - 0.15 B. C(x) = 1.50x + 0.15 C. C(x) = 0.15x + 1.50 D. C(x) = 0.15x - 1.50
Mathematics