Evaluate the expression:
42.17 + 31.9

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.

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.