Number 8 only help please ASAP

Which expression is equivalent to 2x^2+7x+4?

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.

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7