PLEASE HELP I'LL MARK AS BRAINLIEST What types of solutions will a quadratic equation have when the discriminant b2 − 4ac in the quadratic formula is zero?

Two nonreal solutions
One real solution
Two real solutions
No solutions

The sixth grade art students are making a mosaic using tiles in the shape of right triangles. each tile has leg measures of 3 centimeters and 5 centimeters. i f there are 200 tiles in the mosaic what is the area of the mosaic.

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3