A car went a distance of 90 km at a steady speed and returned along the same route at half that speed. The time for the whole round trip was four hours and a half. Find the two speeds.

Gulaea Prat Solve each equation. 1. 6c = 18

Which two angles are complementary angles?

hodi is building a birdhouse each of the four walls need to be 5.5 inches long hodi has a piece of board that is 24.5 inches long is the board long enough to be cut into 4 walls of the bird house estimate

A decagon has 10 sides. true or false

Expanded form for 2.918

I thought of a number, divided it by 1 1/2, then added 2 1/2 to the result, then multiplied the sum by 1 2/3. then i subtracted 1 2/3 and got the result 2 5/6. what was my number?

Find the lowest common denominator of and

Last week Bill made a purchase of $56.78 before tax. This week, the same items on sale would have cost him $41.90 before tax. If the tax is 4%, how much could Bill have saved by buying the items on sale (including tax) ?

A student is attempting to simplify the express below. Sample mathematical work is shows. which statement best applies to the sample mathematical work?

Which system of equations has infinitely many solutions?