If Sally walked 1⁄2 kilometer in 1⁄4 hour, how fast, in kilometers per hour, was she walking?

A plane that carries mail makes a round trip each day from Chicago to New York. It makes 2 intermediate stops on the way to New York and 3 intermediate stops on the way back to Chicago.

Why is it necessary to check solutions to equations contating rational expressions?

V+9/3=8 what is the answer and how do you do it step by step?

Factorise (x + 5) + (x - 2)

Shoe store has a sale of 5% off each pair. you have a coupon for $10.00 off. you figure the discount is the same no matter what sale you use. write an equation and find the cost of the shoes.

Kyle grates 4/8 pound of cheese for enchiladas. He grates 2/8 pound of cheese for tacos. How much cheese does Kyle grate in all?

7x 2/12 as a mixed number

Simplify - 5.55 - 8.55c + 4.35c

Name one possible cross section of a sphere

The Vilas County News earns a profit of $20 per year for each of its 3,000 subscribers. Management projects that the profit per subscriber would increase by 1¢ for each additional subscriber over the current 3,000.