If you are at school, then you are working hard. if you are working hard, then you will get good grades. use a law of logic to draw a conclusion based on the given information. a. if you are working hard, then you are at school. b. you will get good grades if you work hard. c. if you are at school, then you will get good grades. d. if you are working hard, then you will get good grades.

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

What is the value of x in the this question ?

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.)