Rebecca finished her homework at 6:00 P. M., after working on it for 55 minutes. What time did Rebecca start working on her homework?

Solve 2x+y=3 x+y=5 in substitution method

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.