Car repair the total cost of repairing a car is the sum of the amount
paid for parts and the amount paid for labor. you paid $78 for parts
and $45 for each hour of labor. the total cost to repair the car was
$168. how many hours did it take to repair the car?
1 copy and complete the verbal model.
total cost
for repairs
=
?
+
cost for each
hour of labor
•
?
2 let h represent the number of hours spent on labor. write an
equation based on your verbal model.
3 solve the equation to find how many hours it took to repair
the car.

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3