Divide. Assume all variables are nonzero.
A. 7m3 - 2m2n4 + 6mn6
B. 7m3 - 12m6n5 + 36m5n7
C. 35
D. 7m11 - 2m10n6 + 6m9n8
Answer: A
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A car travels at 40 MPH. How long will it take the car to reach a destination 100 KM distant?
What will be an ideal response?
List the critical values of the related function. Then solve the inequality.
< 2
A. 17, 6; 
? (6, ?)
B. -6, 17; 
C. -6, 17; (-?, -6) ? 
D. No critical values; ?
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sec ? = - 
, 
< ? < ?Find sin 
.
A. 
B. - 
C. 
D. - 
A 100-gallon tank is full of a solution containing 25 pounds of a concentrate. Starting at time 
distilled water is admitted to the tank at the rate of 5 gallons per minute, and the well-stirred solution is withdrawn at the same rate.
(a) Find the amount Q of the concentrate in the solution as a function of 
by solving the differential equation 
(b) Find the time required for the amount of concentrate in the tank to reach 15 pounds.
A. a.
b.
min
?
B. a.
b.
min
?
C. a.
b.
min
?
D. a.
b. min
?
E. a.
b. min
?