The length of a rectangle is 3 units shorter than one-third of the width x. Which expression represents the perimeter of the rectangle?

a.) 2/3x -8
b.) 8/3x -2
c.) 2/3x -4
d.) 8/3x -6

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

What is the equation of a line passing through (-6,5) and having a slope of 1/3

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality