How many solutions are there to the following system equations?
use the linear combination method.
2d+e=8
d-e=4
a. the solution is (4,0)
b. there is no solution
c. there are an infinite number of solutions
d. the solution is (5,-2)

Karen is financing $291,875 to purchase a house. she obtained a 15/5 balloon mortgage at 5.35%. what will her balloon payment be? a. $220,089.34 b. $219,112.46 c. $246,181.39 d. $230,834.98

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.