With the substitution method which variable do you solve for first?

Last year, sales at a book store increased from $5,000 to $10,000. This year, sales decreased to $5,000 from $10,000. What percentage did sales increase last year? What percentage did sales decrease this year?

A map has a scale of 1 inch : 25 miles. Two cities are 175 miles apart. How far are they on the map

What is the volume of the aquarium? 12 24 36

The average age of Ava Aiden and Charlie is eight years. Twice the sum of the ages of Ava and Charlie equals 24 years. What is the age of Aiden

What is the difference between - 6.2 and - 9.1 on a number line

The tree in your friend's yard casts a shadow that is 27 feet long. Your friend is 5 feet tall and casts a shadow that is 4.5 feet long. What is the height of the tree?

These steps outlined were used to construct the bisector of ∠BAC. Which statement is NOT always true? AB = AC △BDC ≅ △BAC BD = CD △BAD ≅ △CAD

What unit rate describes 100

If you travel 156 miles on 4 gallons of gasoline how far can you travel on 12 gallons how many miles on 6 gallons

A 20-inch diameter bicycle tire rotates 200 times. How many feet does the bicycle travel? Round your answer to the nearest foot. A) 12,566 feet B) 1,047 feet C) 5,236 feet D) 9,196 feet