The brain has 100 billion brain cells. If you counted each cell at 1 per second, how long would it take you to count all 100 billion cells? in years

A line has a slope of 1/4. What is a slope parallel to it? What slope is perpendicular?

Suppose a house has a floor area of 2,250 square feet. what is this area in units of square centimeters?

A librarian recorded the number of books that were checked out on each of the last 9 days, as shown below. 142, 136, 125, 148, 150, 152, 115, 131, 136 What is the mean of the data set? a 137.22 b 1, 235 c None of these d 9

Factor. x2+5x-14 polynomials and binomials

A model of a barn is composed of a cube and a triangular prism. The dimensions of the model of the barn are shown. What is the surface area, in square centimeters, of the model? a 3,000 b 3,048 c 3,504 d 3,624

If you see a triangle that has a small box in one angle, what type of triangle is it?

There are t teams in a soccer league. each team consists of 11 players. write an equation to find how many players p are in the league

Omar mows lawns for $9.25 an hour. He spends $7.50 on gas for the mower. How much does he make if he works h hours?

1/10 or 200 tables is what?

If 3 times a number minus 2 equals 13, what is the number? A. 4 B. - 6 C. 5 D. 2