Give an example of an open equation

Rachel wants to collect data about the snack habits of her friends. Which questions are statistical questions she could ask? Select each correct answer.

A 28ft ladder leans against a wall so that the base of the ladder is 5ft away from the base of the wall. How far up the wall does the ladder reach? Round to the nearest tenth.

How to write an algebraic expression for 2x

Latrice and Megan are collecting coins. Latrice doubled her coins collection the first month, and then added 200 coins to her collection the second month.

A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, the angle of depression to the boat is 17°44'. When the boat stops, the angle of depression is 48°13'.

Xy+yz=10 solve for y

Two trains leave the station at the same time, one heading west and the other east. The westbound train travels 18 miles per hour faster than the eastbound train.

Enguun earns $17 dollars per hour tutoring student-athletes at Brooklyn University a. If Enguun tutored for 19.5 hours last month, how much money did she earn last month?

One side of a triangle is twice another. The third side is 8 inches and the perimeter of 26 inches. How long is each side?

A new sidewalk will be 6 feet wide, 100 feet long, and filled in a debt of 9 inches with concrete. How many cubic yards of concrete are needed?