Simplify the following expression.
3x4 + 2x3 - 5x2 + 4x2 +6x-2x - 3x4 + 7x3 - 3x3

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?