Tell whether each equation is a direct variation. If it is, find the constant of variation. 3. 12x – 8y

4. Through (1.5, 1.5)

Is every rectangle is a parallelogram? true false

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?