What is the length of the hypotenuse of the right triangle that has a base of 5 inches and a height of 12 inches?

Can someone explain the elimination method to me for this problem?

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?