1. Evaluate 5+8x when x = 2
2. y+51=98
3. m6=9
4.1 5n+45?

I need some help!

Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?