Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m?

1.) -15m = -4m
2.) -7m - 8 = m - 4
3.) -3m - 8 = 4 - m
4.) m - 4 = -7m - 8
5.) -8 - 7m = -4 + m
6.) -8 - 3m = 4 - m
multiple choice answer # all that

Can (2,3 and square root 10) be sides ona right triangle?

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

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.