Let set c = {even numbers between 1 and 99} and set d = {numbers between 1 and 150 that are evenly divisible by 10}.
what is c ∩ d?
a: {10, 20, 30, 40, 50, 60, 70, 80, 90}
b: {10, 20, 30, 40, 50, 60, 70, 80, 90, 100}
c: {all even numbers between 1 and 99}
d: {numbers between 1 and 150 that are evenly divisible by 10}

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field