350 is 70% of what number
500
420
245
280

what percent of 64 is 24
267%
62.5%
40%
37.5%

what percent of $6.50 is $2.60
25%
40%
90%
250%

20% of 140 is what answer
280
120
28
12

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Anyone know these questions? i need ,.