Evaluate the expression when b is 6 and t is -3  5bt

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

If $190 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 4 years? use the continuous compound interest formula: a = pert