Devaughn's age is three times Sydney's age. The sum of their ages is 84. What is Sydney's age?

How can I divide 5.19 and 16.8

Suppose two days before yesterday was wednesday. what day of the week will be 100 days from today

A person on a ship observed a lighthouse on the cliff, which is 830 metres away from the ship. The angle of elevation of the top of the lighthouse is 12°. A. How far above sea level is the top of the lighthouse? B.

Heparin is available in a vial labeled 20,000u/ml. how many ml are required for a 12,500u dose?

Carmelo is selling his hockey and baseball card collection. Hockey cards, x, sell for $0.03 and baseball cards, y, sell for $0.05. The number of hockey cards Carmelo sells is at least six times the number of baseball cards he sells.

Meg lives in Indianapolis and wants to visit her mom in Lima. She has been meaning to go to a chiropractor in Dayton, so she is wondering whether it makes sense to stop there on the way.

An advertisement states that a can of paint will cover 480 square feet. How many gallons of paint are needed to cover 1,680 square feet?

Mrs McDonald spent 24.65 at a yard sale on Saturday. on Sunday she went to another sales and spent 14.95 more than she did on Saturday. what is the total amount that Mrs McDonald spent on both yard sales

Linda purchase a prepaid phone card for $30. Long distance calls cost $.17 a minute using this card when do use her card. Linda use her card only to make a long distance call if the remaining credit on her card is $22.

Consider this equation: - 2x - 4 + 5x = 8 Generate a plan to solve for the variable. Describe the steps that will be used.