A $7,000 principal is invested in two accounts one earning 3% interest in another earning 7% interest in the total interest for the year is 262 then how much is invested in each account

What is the circumference of the pie

Which equation is represented by the graph below?

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?