Determine whether each ratio is proportional to 10: 15. yes - yes no - no 12 to 18 21: 30 2436 28 to 40

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?

Which of the functions graphed below has a removable discontinuity?