Kira has $2,250 sitting in a savings account that earns 2.75% simple interest each year. If she
leaves it there untouched, how much will be in
the account after 8 years?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1