What is factorise 42-66x i need on the question

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog