Round 0.05 to the nearest whole number

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

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?

Asingle die is rolled twice. find the probability of rolling a 3 the first time and a 2 the second time