Find the midpoint of the line segment joining the points P1 and P2.P1 = (-2, -9); P2 = (-7, -8)
A. 
B. 
C. 
D. 
Answer: C
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Find the indicated vector.Let u = 
. Find -3u.
A. 
B. 
C. 
D. 
Provide an appropriate response.
Solve for x by using an equivalent exponential equation: log9 x = 
A. x = 3
B. x = 
C. x = -3
D. x = 
Solve the problem.Carol decides to hire a snow removal company for plowing her very long driveway this winter. Abe's Plowing requires a $60 nonrefundable reservation fee at the start of the winter and charges $100 every time they come out to plow. Barney's Plowing requires a reservation fee of $110 but only charges $90 each time they come out to plow. Solve the system of equestions by the substitution method to find out how many times Carol would have to be plowed out for the cost of the plowing companies to be the same. How many times would this be?
A. 4 times plowing B. 6 times plowing C. 7 times plowing D. 5 times plowing
Solve the problem.Mara can type 2565 words in 
hour (45 minutes). How many words per minute can she type?
A. 1924 words/minute B. 57 words/minute C. 43 words/minute D. 76 words/minute