Which of the following CAN be represented by the expression 15 + n? The number of pages Matthew has read if he reads 15 pages per day for n days.
The total cost of n DVDs sold for 15 dollars each.
The number cookies remaining from a plate of 15 after Nick took n cookies.
The total number of students on a bus if there are 15 females and n males.
(please hurry im taking a test)

Which of the following statement about pascal's triangle are true?

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.