Find the sum. Write your answer in simplest form. 7/10 + 1/4

1 1/20
4/7
9/10
19/20

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each