Find t given that these vectors are perpendicular

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Which expression is equivalent to -5(3x - 6/7)

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by