Please help me I need help on my homework!​

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

Which of the following is an equation of a line parallel to the equation y=4x+1?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?