At the end of 2 years, p dollars invested at an interest rate r compounded annually increases to an amount, a dollars, given by the following formula.

a=p(1+r)^2

find the interest rate if $100 increased to $144 in 2 years. write your answer as a percent.

Can someone answer this question? : )

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking