Amarathon runner ran the first 3 miles in 17.2minutes if she continues running at this pace how long will it take her to run the entire marathon of 26.2

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

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)