What is the answer to this question?

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

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

How many $20 bills do you need to have to make $280