20 customers are eating dinner at a local restaurant. The restaurant accepts cash or credit as forms of payment. Of the 20 customers, 4 have enough cash to pay for their meal, 16 have a credit card, and 3 have enough cash and a credit card. Using this information, answer each of the following questions. Let A be the event that a randomly selected customer has enough cash and B be the event that a randomly selected customer has a credit card.

A: 20% chance

B: 80% chance

Step-by-step explanation:

4 out of 20 people have cash: which means from a randomly selected group, you have a 20% chance of finding someone with enough cash

16 out of 20 people have credit card: which means from a randomly selected group, you have a 20% chance of finding someone with a credit card

1 1/4 hours

step-by-step explanation:

2/4 + 2/4 + 1/4 = 5/4 or 1 1/4

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.