What 5x-x/y when x=4 and y=2

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

Name the most appropriate metric unit for each measurement like a length of an carrot

Which of the following expressions is equal to 2x^2+8