Which of these equations are true when the value of y is 27? I. −9 + y = 18
II. −18 + y = −45
III. 5y = 135
IV. 2y = 29

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

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°

When you find the area of a triangle do you use in. or in2