Homer is saving for a harmonica. He already has $15 saved and intends to save $4 each week. The equation for the amount of money y he has saved is y = 4x + 15, where x is the number of weeks. What do the slope and y-intercept represent?

Find the quotient. 50a2 – 98b2 -5a +7b

Simply 8x squared + 5(7x squared- x) - 2x =

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75