Harry drove for 5 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 2 more hours on a country road. If his trip was 380 miles, then what was his speed on the freeway?

What two numbers add up to 13 but multiply to 36

Convert the following fraction to a decimal and then to a percent. round the decimal to three places before converting to percent. 9/10 0.09: 9% 0.90; 90% 0.90; 9% 0.09; 90% user: find the following quantity. 6% of 124 = 7.44 0.744 74.4 744

Emma is debating whether to use a straightedge and compass or a computer drawing program to complete a construction of a square inscribed in a circle. Which method do you think would take the longest to complete the construction and why?

In a certain lottery, three white balls are drawn (at random) from ten balls numbered from 1 to 10, and one red SuperBall is drawn (at random) from ten balls numbered from 11 to 20.

Simplify (2.1m - 5.2) + (3.7m - 6.4)

Sharita does special typing jobs for scientists. She charges $7 for 3 pages and $3 for each additional page of scientific typing. Sonia, a biologist, paid $97 to have a research paper typed

How many times can 2 go into 18

How many five-letter codes can be made if no letter can be used twice? (There are 26 letters in the alphabet.)

How to prove using basic definitions, If xy=xz then y=z

Some species of hummingbirds appear to hover in mid-air by flapping their tiny wings 85 times per second. How many times do their wings flap in one minute?