In Knoxville the temperature rises 4° from 4 PM to 5 PM. Then the temperature drops 7° from 5 PM to 6 PM. What expression represents the change in temperature for Knoxville?

55 bridesmaids want to make 325 325 decorations for a wedding. each decoration takes about 212 2 1 2 minutes to make. which response gives the best estimate for the amount of time each bridesmaid will spend making decorations?

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)