What must be true about angle 7 and angle 3 for the lines to be parallel? Name the postulate or therom?

Using only pennies, nickels, dimes, and quarters, what is the smallest number of coins Freddie would need so he could pay any amount of money less than a dollar?

How do you slove : x+4>4+pie (advanced algebra)

Write an algebraic expression with the variable x that has a value of 3 when evaluated

Find the larger consecutive integers such that the sum of twice the smallest and three times

Type the correct answer in each box. If necessary, use / for the fraction bar (s). Mike can stitch 7 shirts in 42 hours. He can stitch 1 shirt in hours, and in 1 hour he can stitch of a shirt.

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?