Number of subsets and the number of proper subsets
1 /6, 1/7, 1/8, 1/9

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?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Solve: 3x+y=6 4x-2y=18 show all work !