A rectangle is 3 times as long as it is wide. The perimeter is 120 cm. Find the dimensions of the rectangle. Round to the nearest tenth if necessary.

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

Negative 5 1/12 + negative 4 1/4 + 6 3/4