Solve the system by elimination.

-x-18y=-3

7x-9y=21

Miss long bought a dress that was reduced 18%. The original price was $88.50 how much did she have to pay for the dress

What is the value of x in the equation, when y = 3? x = 6 x = 7 x = 8 x = 9

Simplify 28y=12x+84 I don't know this

How do you solve equations and check for solutions

A medium sized apple has 70 calories. this is 10 calories less than 1/4 0f the calories in an old westie chocolate bar. we need to find out how many calories are in the bar.

2,400 principal earning 2%, compounded annually, after 7 years. Find the balance in the account

Find each probability if a die is rolled. P (divisible by 4)

The Hamptons Family has a fish tank holding 10,450 ml of water. The water is leaking at a rate of 270 ml per minute. How much water will be left in the tank after 15 minutes?

There are 136 people waiting for a river raft ride each raft holds 8 people silvia find the number of rafts needed

An antelope Can run at a speed at 61 mph. What is the speed in yards per second? Round to the nearest hundredth.