Jada and her three friends went out to dinner. The bill came to $45.50 before tax. The tax then added to the
bill was $49.14. What percent of the bill was the tax?

Yes she is correct. when you do 1/5 the tbe is their to represent the fraction. so yes, kathy got it

Use pythagorean’s theorem and find the missing side lengths of the two smaller triangles and add them together
13^2 - 12^2 = 5
15^2 - 12^2 = 9
5+9 = 14
14 is the length of each side of the square
14^2 + 14^2 = 19.8
19.8 is the diagonal length of the inside if the square