Which expression is equivalent to 1.2y+4.5-3.4y- 6.3? a. -2.2y + 11.1
b. 4.6y - 1.8
c. 5.5y - 10.2
d. -2.2y - 1.8

Simplify the expression. -2/5(10+15m-20n)

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90