Justin was looking for a birthday card for his sister. there were 9 funny cards , 7 seious cards , and 5 musical cards.

how many choices does justin have for a birthday card?

a) 21
b) 68
c) 80
d) 315

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π