Evaluate: -4(r - t) - (2r - 4t) for r = 1/2 and t = 1/4.

A) 1
B) 5
C) 3
D) -5
E) -1

A home improvement loan is to be repaid by equal monthly payments for six years. The interest rate is 5.4% compounded monthly and the amount borrowed is $33,500. How much will the borrower still owe after four years?

A) $12,389
B) $11,167
C) $31,909
D) $23,675
E) $18,660

​What is the next number in the following series: 6, 4, 8, 6, 12, 10, ?