a shopkeeper purchased a bag for rs 800 and umbrella for 400.if s/he sold the bag at 15% profit and umbrella at 15% loss, find his/her profit or loss percent in whole transaction​

Evaluate the expression for the given value of the variable 7a - 4a for a =8

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! ❤

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10