The vertices of triangle abc are a(2,3), b(–1,2), and c(3,1). if δdef ∼ δabc and de = 4ab, what is the length of ef?
√10
√17
4√10
4√17

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

Select all the expressions that will include a remainder.

Jack has to solve the problem 281-266.how would you tell him to solve the problem ? tell which strategy you would use ,and solve the problem.