Billy deposits $800 in a local bank. he knows his money will be increased by 5% at the end of 1 year. how much money will he have at that time?

$840

$880

$882

$1,680

Benjamin believes that ¼ % is equivalent to 25%. is he correct? why or why not?

Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?

Kate has 50 quarters and dimes. she has a total of $9.80. how many dimes that she have?