Solve the system by substitution.

-x+8y=20

x=y+8

6*11=66,89*101=8989,706*1001=706706. next two sequence are?

Joseph drives 125 miles in 2 1/2 hours at the same rate how far will he travel in 6 hours

A CD cost $12.50 if sales tax is 7 and three force percent then what is the mount of the sales tax rounded to the nearest hundredth

A certain circle can be represented by the following equation. x^2+y^2+6y-72=0 What is the center of this circle? What is the radius of this circle?

1. It costs $75 to join a fruit basket of the month club and $15 to purchase each fruit basket after joining. What is the cost if you purchase x number of fruit baskets? M = B = Equation :

How do you write 36.4 in word form

The sum of two polynomials is 10a2b2 - 8a2b 6ab2 - 4ab 2. if one addend is - 5a2b2 12a2b - 5, what is the other addend?

What is 4/5 + 3/10 equal

The sum of the squares of two consecutive positive integers is sixty-one. Find the two integers

A store had 800 T-shirts in stock for a weekend sale. T-shirts are sold in packs of 4 each. During the sale, 20 packs of T-shirts were sold on Saturday, and 70 more packs were sold on Sunday.