A pizza store charges 6% sales tax on the cost of a pizza order and a $5 delivery charge.
(The delivery fee is not subject to sales tax.)
The following functions represent this situation:
f(a) = 1.06a
g(6)=b+5
Match each of the following expressions to its meaning in the context of this situation.

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y