Find the distance between points P1 and P2.P1(1, 4, 9) and P2(7, 10, 12)
A. 10
B. 18
C. 9
D. 14
Answer: C
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Solve the problem.To remodel a bathroom, a contractor charges $25 per hour plus material costs, which amount to $3825. Therefore, the total cost to remodel the bathroom is given by 
where x is the number of hours the contractor works. Find a formula for 
What does 
compute?
A. f -1(x) = 
- 3825; This computes the total cost if the contractor works x hours.
B. f -1(x) = 
- 153; This computes the total cost if the contractor works x hours.
C. f -1(x) = 
- 153; This computes the number of hours worked if the total cost is x dollars.
D. f -1(x) = 
- 3825; This computes the number of hours worked if the total cost is x dollars.
Find the depreciation per unit. Round to the nearest cent.Cost: $5100Salvage: $600Est. Life: 77,000 units
A. $0.06 B. $0.70 C. $0.07 D. $0.60
Add or subtract as indicated.12
+ 9
A. -3
B. 21
C. 21
D. 21
The associative and commutative properties for addition allow for three or more integers to be added in any order. Find the given sum.3 + (-13) + 11 + (-1)
A. 28 B. -22 C. 0 D. -20