You have 20 quarters. you find
40% more quarters in your room. then you go
shopping and spend 50% of the total number of
quarters.

a. write an expression that represents the
total number of quarters you take with
you when you go shopping.

b. how much money do you have left?

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Find the amount of simple interest earned for depositing the given principle in an account if $2200 is invested at 5.5 % for 6 months

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq less than 132. the probability that a randomly selected adult has an iq less than 132 is?