Pls help its for a friend

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

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.

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan