Translate the sentence into an equation. twice the difference of a number and 2 equals 9 . use the variable y for the unknown number.

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Ill mark the brainliest if you me with the these three questions 7,8,9