Brainliest 10 points please answer and show work PLEASE!

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.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.