If f(x) = 2|x| graphed on a regular coordinate grid, does the graph form an acute, right, or obtuse angle at its vertex?

What’s the answer ? use the picture to see the problem

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm

Olivia is using 160 quilt squares to make a red, yellow, and blue quilt if 25% of the quilt are red and 30% are yellow how many quilt squares are blue