Solve the system using substitution: m= 4n + 11
-6n + 8m = 36
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The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so