Why do you sometimes only have one multiplication sentence for an array

6. STUNT FLYER A stunt airplane is flying at 150 feet. It ascends to 325 feet. Write and solve an equation to find the change in altitude of the airplane.

A car travels 299 miles in 5 hours and 45 minutes. How many miles does it travel per hour?

What's 1/4 of 8 hours

12-7=_ use ten to subtract

Higher Order Thinking Use estimation to decide which is the better value: 12 pairs of socks for $35.75 or 8 pairs of socks for $31.15. Explain your answer.

The probability that a new spark plug is defective is 0.06. You need two new spark plugs. What is the probability that both spark plugs you buy are defective? A) 0.06 B) 0.12 C) 0.0036 D) 0.0030

Angie has a jar that contains 2 red marbles, 2 blue marbles, and no other marbles. She randomly draws 2 marbles from the jar. If the marbles are the same colour, she discards one and puts the other back into the jar.

Henry had charges 933 dollars to his credit card. Even after the cost of his net purchase, he was still under his credit limit of 1500 dollars. Write a mathematical sentence that expresses the information

On Tuesday a local hamburger shop sold a combined total of 264 hamburgers and cheeseburgers. The number of cheeseburgers old was two times the number of hamburger sold. How many hamburgers were sold?

I do not understand how to simplify 5y-8x-y+12x