David told Jen, "Write three two-digit numbers. I'll add three more and give you the sum right away." Jen wrote 53, 42, and 31. Then David wrote 46, 57, and 68 and said the sum was 297. Was he right? What pattern did he use?

How can you tell if a fraction is less or more than a whole number

14. Carla needs 1,600 beads to make 8 necklaces. She divides the beads equally. How many beads does Carla use for each necklace? What basic fact did you use?

Evaluate: 8x6 + (12-4) / 2

Sam and dave each solve the problem at the right. sam says the sum is 4 feet 18 inches. dave says the sum is 5 feet 6 inches. who anser make sense

Explain why it is not a valid conclusion to say that basketball is more popular than football at the school. Put your answer in complete sentences.

Six times the sum of a number and 3 equals 2

Sports stores sell skateboards for $112. last month the store sold 45 skateboards how much money did the store make from selling them?

Select steps that could be used to solve the equation 1 + 3x = - x + 4. add x, subtract 1, divide by 4 add x, subtract 4, divide by 4 subtract 3x, subtract 4, divide by 4 subtract 3x, subtract 4, divide by - 4 subtract 1, add x, divide by 4

Given: 60,807; 60,087; 60,708 and 60,078, the correct arrangement of these numbers from the least to the greatest value is?

In a large casino, the house wins on one of its games with a probability of 50.6%. All bets are 1 :1. If you win, you gain the amount you bet; if you lose, you lose the amount you bet.