How many solutions does the equation −4x+9=−4x+9−4x+9=−4x+9 have?

Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

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?