The sum of two numbers is 18. There difference is eight. If the numbers are x and y, write a system of equations to describe their sum and their difference.

How to solve - 2x+5y=12 for y

Find the area of the shaded region y = x 2 - 4x + 3

Find the value of "k", given that one solution of the equation x2-kx+21=0 is 3

Given the data, which nation has the highest population density? Nation Population Land area Australia 21 million 7.7 million sq km Fiji 890,057 18,274 sq km New Zealand 4.2 million 267,710 sq km New Guinea 6.

Solve the equation -13/4 - x = 1/2x - 1

The difference of two numbers is less than the greater number

A machine can produce 27 inches of ribbon every 3 minutes. How many feet of ribbon can the machen make in one hour?

Liza needs a total of 22.23 square feet of terry cloth to make a beach towel and a beach bag. the beach bag requires 5.13 square feet of cloth. what is the length of the beach towel

1). Is 874 divisible by 3 2). Is 821 divisible by 3 3). Is 252 divisible by3 4). Is 844 divisible by3 5). Is 902 divisible by3 6). Is 706 divisible by3 7). Is 662 divisible by 3

The tax on a $40 item is $2.00. Find the tax on a $150 item.