4) Use the difference of two squares method to evaluate 120squared - 119 squared

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

Solve the inequality and graph 6j - 7 < 5

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect