Alan is putting weed killer on a field to get ready for planting. the directions on the can says to use .75quarts for each acre of land. how much weed killer will alan need for two fields, one that is 22.5 acres and one that is 38.25 acres

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7

Which of the following vectors are orthogonal to (2,1)? check all that apply