Please answer A and B, with steps if you can you don’t need to but that would be great thank you

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

The population of a bacteria colony grows by a consistent percentage each hour and can be modeled by the function y = 500(1.16)t. what does the value 500 represent in the function?

Use the zero product property to find the solutions to the equation (x+2)(x+3)=12