What are some equivalent expressions for..
#1. 7(x-4)
#2. x(5-6) + 13x - 10
#3. 2.5(8 - 2x) + 5(x+1)
#4. 3(x+10) - 3(2 - 4x)
you! i really need to know!

1. are the triangles similar and if so why? what is the value of x? show your work.

Find the perimeter of the figure shown above. a. 18 yds c. 20 yds b. 10 yds d. 24 yds select the best answer from the choices provided

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?