Write an equivalent expression for n*a using only addition

The sum of two numbers is 53 and the difference between the numbers is 1 find the numbers

What is the perimeter of Elisa's second rectangle

Natalie's car used 7 gallons of gas to drive 161 miles. At what rate does her car use gas in gallons per mile? Express your answer in simplest form.

Circumference of a circle

last year they were 380 students at Woodland Middle School this year the students population will increase by 5% what will the school increase student population

Which of the following best describes the set of numbers? - 1, 2, - 4, 8, ... -Infinite arithmetic series -Finite geometric series -Infinite geometric series -Infinite alternating sequence

18. Twelve theatre tickets cost $66. What is the cost of 5 tickets?

How many seconds in one min

Which is greater 9/10 or 6/8

If a = c+2 what is the value of c when a=5