If a jigsaw puzzle is priced 17.00 but cost 17.68 at the register what is sales tax rate​

What is the result of..
4! / (4!4!)

Last year the enrollment of genoa middle school was 465 students. this year the enrollment is 525.

What is the pattern for 5/16 1/2 11/16 7/8

Scrooge-Oh! But he was a tight-fisted hand at the grindstone! Scrooge! a
squeezing, wrenching, grasping, scraping, clutching, covetous old
sinner! Hard and sharp as flint, from which no steel had ever struck out
generous fire; secret, and self-contained, and solitary as an oyster. The
cold within him froze his old features, nipped his pointed nose, shrivelled
his cheek, stiffened his gait; made his eyes red, his thin lips blue; and
spoke out shrewdly in his grating voice. A frosty rime' was on his head,
and on his eyebrows, and his wiry chin. He carried his own low
temperature always about with him; he iced his office in the dog-days;
and didn't thaw it one degree at Christmas.
a stone for sharpening knives
2-wanting what someone else owns
3- frost
1. How is language used in this extract to describe Scrooge?
2. Write a description of an unusual character-real or
imagined

Plz help on question 15 through 17

Simplify the expression.46 – 16 ÷ 2 × 4

I don't just want the answer, I would like to know how to get the answer.