A study was conducted by psychologists who wanted to determine at what age children develop their first crush. They asked college freshmen to select from one of four age categories, and the results are summarized below: According to the two-way table, what percentage of males had their first crush before the age of 13?

3

step-by-step explanation:

step-by-step explanation:

3.how is solving radical equations different than solving linear equations?

step-by-step explanation:

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.