X^2 + 6^2 = (x+6)^2 could you also explain the steps you took to solve?

Abag of jelly beans contain 13 pink, green, 20 yellow, 10 black, 7 red, and 11 orange jelly beans. approximately what percent of the jelly beans are pink and yellow?

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

What fraction is equivalent to 0.46464646··· a. 46⁄999 b. 46⁄100 c. 46⁄99 d. 23⁄50