If nine people are in a room and every person shakes hands exactly once with each of the other people, how many handshakes will occur

Hello what is 14.890.9 divided by 6.890

7 1/5 x 2/9 in simplest form

A recipe asks for 4 1/2 pounds of chicken. How many pounds of chicken are needed to make 1/2 of a recipe? Express the answer in simplest form.

There are 46 girls skating. there are 67 boys skating. how many more boys than girls are skating

2x - 2 to 2 (x - 1), or 4x2 - 16 as 4 (x + 2) (x - 2)

Which function has an axis of symmetry of x = - 2? f (x) = (x - 1) 2 2 f (x) = (x 1) 2 - 2 f (x) = (x - 2) 2 - 1 f (x) = (x 2) 2 - 1

What's the least common denominator for each group of fractures 1/6 and 7/8

Ginny wants to decorate the gift she got for her friend by putting a rose on each vertex of the package. The package is in the shape of a rectangular pyramid. How many roses does she need? A. 1 B. 3 C. 4 D. 5 E. 6

There are 4 sectors in a circle graph. Their measures are 36 degrees, 160 degrees, 56 degrees. Find the missing measure. 360 degrees 252 degrees 108 degrees

the pillars of a temple are cylindrically shaped. of each pillar has a circular base of radius 280 cm and height of 10 m how much concrete mix will be used to build 14 such pillars