What is a composite number between 70 and 80

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

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.

What is the reflection image of (5,-3) across the line y = -x?