What is the distance between saturn and the sun in scientific notation

A larger number is five more than twice a smaller number. Their sum is 80. Find the numbers.

Which of these system of linear equations has no solution A. 2x+8y=15 4x+16y=30 B. 2x-y=18 4x+2y=38 C. 4x+7y=17 8x-14y=36 D. 4x-3y=16 8x-6y=34

10 more shoes than ruben

Which phrase represents the algebraic expression 5x - 9? A.) The product of five times a number and nine B.) the difference of nine times a number and five C.) the sum of five times a number and five D.

Sue should have finished (28+16x) Mathematics questions in 4 hours. A) How many questions would have been done in 30 minutes? B) If Sue could only finish (14+8x) questions, how much time did she spend?

A school club sold 220 T-shirts for a fundraiser. Adult-size shirts cost $20 each and child-size shirts cost $15 each. The total collected for all the T-shirts sold was $3,550. How many adult-size T-shirts were sold?

What is the answer to the question 2+2

Ruben is collecting cans for the recycling contest at school. He makes two plans to try to collect the most cans. Plan A: collect 20 cans each week for 9 weeks.

N 2010, the estimated population of New York City was 8.18 * 106 people. The population of the entire state that same year was about 2.37 times this number. Which expression shows the approximate population of the state of New York in 2010?

What is O. 9% of 1000