Find the measures of those angles

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)

Your family took a road trip on saturday you were in the car for 4.5 hours and average 70 mph. how many miles did you travel?