Simplify 49 to the negative 1/2 power

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?

Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.