Which is a substance made up of only one kind of atom?

Todd had 3/4 of an Apple left from breakfast. his sister are 1/8 of what was left. how much of the Apple is left

What is the solution to the equation? x to the power of 2 + 12x+36=0

The sum of two mixed numbers with unlike denominators is 5 3/5. What might the two mixed numbers be? Show as many different solutions as you can.

Mary drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 8 hours. When Mary drove home, there was no traffic and the trip only took 6 hours.

There are 124 students in the band. there are 12 more boys than girls in the band. how many boys and how many girls are in the band.

A number plus 17 is 25

293.08 + 14 + 2.719 =

The factory workers make 751 toys per day if they work 5 days per week how many toys will the workers make in 3 weeks

Why does the shape of the distribution of the weights of russet potatoes tend to be symmetrical?

Suppose it investment of $82,000 dollars in value every seven years. how much is the investment worth after 28 years