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.

Jackie's broker charges her a commission of $8.25 per ten of stocks she buys or sells. If Jackie buys 69 shares of Alesia Insurance at $10.34 per share, how much will Jackie spend in commission?

How many boys are there in an introductory geology course if 360 students are enrolled and there are five boys to every seven girls?

Janet is 5 years older than her sister. the sum of their ages is 51. how old is her sister

What is nine and ten tenths plus one and one twelth?

What do I do when a number line says 1 1 instead of 0 To one

What's the vertex for y=2x^2-12x+19

What is the decimal of 1/2 percent

The equation above can be used to calculate the volume V, of a pyramid with a height h and base with length l and width w. If the volume of a pyramid is 81inches^3, and l=w=3h, what is the length of the base of the pyramid in inches?

What is the relationship between the decimals 0.09 and 0.9

A group of winning ticket holders share equally 90,000,000 lottery. Before the money is divided, three more winning ticket holders are declared. As a result, each persons share is reduced to 5,000,000.