9. What is the area of a regular heptagon with an apothem of 13.2 inches
and the length of one side is 14 inches? *
A. 1293in2
B. 554 in2
C.739 in2
D.169in2

Plz which expression is equivalent to the expression below?

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny