Mr samuel buys a sheet of stamps. there are 4 rows with 7 stamps in each row. how many stamps does mr samuel's buy?

Solve the system of equations. y= 2x y= x^2 - 15

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤