The sum of 11 and a number is ten times the number. Write an equation and find the number. 11+n=10*n

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Me n o w. i need t h i s. 10 points