A pillow that usually costs $18 is marked down 25%. Which expressions can be used to find the new price of the pillow? Check all that apply. 18 – 0.25(18) 18 – 0.75(18) 0.25(18) 0.75(18) 18(0.25) + 18

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

Percent increase and decrease. original number: 45 new number: 18

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8