Please help with this 4 questions we need to resolve it to fraction I will give u brain list​

An alien has just landed from the planet, iksnimak. he would like to leam how to add two fractions when thedenominators are the same. write a paragraph that explains to our alien friend, in your own words, the detailsabout how to add the fractions, how to change the result to a mixed number, and how to reduce the fractionpart. use this problem as your example: the two fractions are 5/8 & 7/8

What is the measure of angle afe? 79 81 91 99

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=