Define a variable and write an inequality. twelve less than the product of three and a number is less than 21

Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16