Which expression is equivalent to (3x-5y)+(x+2y)

a.4x-7y
b.4x-3y
c.4x+3y
d.4x7y

Can you draw an isosceles triangle with only one 80 degree angle?

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

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