On a math test it took kiera 30 minutes to do 6 problems in 40 minutes did the students work at the same rate explain your reasoning

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11