Rosie needs to solve the systems of equations below. She is deciding between the substitution and elimination method. Which method would
be best to solve with?

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.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.