Marcia and Tamara are running a race. Marcia has run 4 kilometers. Tamara has completed the 3/4 of the race and is 2.5 kilometers ahead of Marcia. Write an equation that represents the relationship between the distances girl has run. Let k represent the total length of the race in kilometers.

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

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