Simplify 9 square root of 2 minus 3 square root of 7 plus square root of 8 minus square root of 28.

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent