Find the least common denominator. Then express each fraction using the least common denominator. 3/10 and 2/15

9/30 and 4/30

Step-by-step explanation:

find common denominator of 30

multiply 3 by 10 and 2 by 15

multiply 3 by 3 and 2 by 2

answer

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or  

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.