Lily spent $73.94 on an e-reader. If the original price was $69.95, what percent sales tax did she pay? Round to the nearest tenth.

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

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.