Use substitution to solve the system of linear equations.

y = 1/2x + 3

x - y = 5

Sheila went shopping and spent $120 on a coat. She then used 2/3 of the remaining money to buy a dress. She was left with 1/5 of her original amount of money. How much did Sheila have at first?

What is 2-3+2.4*7.690+23.145 + square root 25

2x+6y when X = 4/5 and y = 1/3

A rectangular prism made of wood has a length of 10 centimeters, a width of 8 centimeters, and a height of 12 centimeters. A rectangular hole with a length of 2 centimeters and a width of 3 centimeters is cut through the prism as shown.

11 relaxing after work. the 2010 general social survey asked the question: "after an average work day, about how many hours do you have to relax or pursue activities that you enjoy?" to a random sample of 1,155 americans.

Find the indicated partial derivatives. w = x y + 7z

Identify the terms and like terms in the expression - x - 9x*2 + 12x*2 + 7

Write these decimals as words 25. 134 100.01 HALP

Four friends bought 10 lbs of nuts and shared them equally. How many pounds if nuts did each friend get

Ten friends went to a local restaurant and all had the buffet at $6.75 each. Seven friends added ice cream for dessert for $1.99 each. Since it is a large group, a tip of $15.00 for the waitress was added. The following is the restaurant bill.