Blake has a collectors' card that he bought for $42.00. The card is now worth $87.00. What is the percent of change in the value of the card? Round answers to the nearest percent.

Using the quadratic formula to solve 4x^2-3x + 9=2x + 1 what are the values of x

10 times as many as 1 hundred is blank hundreds or blank thousand?

the regular price of a shirt is $15 natalie bought it on a sale for 0.9 times then the sale price was multiplied by 1.06 to include tax

How to solve 6 - t < 12

Heathers weekly pay is directly proportional to the number of hours she works at the record store. her pay is $174 for 24 hours of work. find the amount of pay for 40 hours of work

Nicole has a board 88 in. long. she needs to to cut it into filt a space 80 3/8 in long

Find the percent of the number. 60% of 80 is

What is the constant of proportionallity 0.59/pounds of bananas

A pet store has 10 puppies, including 3 poodles, 4 terriers, and 3 retrievers. if rebecka and aaron, in that order, each select one puppy at random with replacement (they may both select the same one), find the probability that they both select a

Luisa has 8 chapters of a book left to read. If she reads 2/3 of a chapter a day, how many days will it take her to finish the book?