Derivative of the square root of 4x+7 with steps?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Tatiana wants to give friendship bracelets to her 32 classmates. she already has 5 bracelets, and she can buy more bracelets in packages of 4. write an inequality to determine the number of packages, p, tatiana could buy to have enough bracelets.