Mason and Ethan are using their computers to take part in an online experiment on a website. When Mason presses the space bar on his keyboard, there is a 50% probability that his screen turns blue. When Ethan presses the space bar on his keyboard , there is a 45% probability that his screen turns blue. If they both press their space bars, there is a 15% chance that both of their screens turn blue. Are "Mason's screen turning blue" and "Ethan's screen turning blue" independent events ?

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Find the slope intercept form of (-3,6) and (3,-6)