65°
b
(x + 72)
In the diagram above, lines a and bare parallel. Find the value of x. Watch carefully where the arrow is pointed
to know which angle relationship to use.

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

Is the point (0, 8) on the x-axis or y-axis? how do you know?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.