Sheila leaves on a long trip driving at a steady rate for 30 miles per hour. her sister allison leaves from the same location traveling to the same destination 2 hours later. she drives at a steady rate of 60 miles per hour. how long after allison leaves home will she catch up to sheila?

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2

The longer leg of a 30-60-90 trangle is 18

Haquira is baking cookies to put in packages for a fundraiser. shaquira has made 8686 86 chocolate chip cookies and 4242 42 sugar cookies. shaquira wants to create identical packages of cookies to sell, and she must use all of the cookies. what is the greatest number of identical packages that shaquira can make?