In a group of 30 people, 18 drink tea, 14 drink coffee and 5 drink both tea and coffee. the number of persons who drink neither tea nor coffee is:

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin