A microbiologist during a study on a culture of 250 bacteria noticed that he can model the number of bacteria after t number of days by the equation B = 250 x 4. In this equation what does 4 represent?

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

Extra points! find the missing dimension! need asap

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50