PLEASE HELP I WILL GIVE BRAINLIEST AND THANKS :) Find the angle that makes them supplementary.

∠3=50 so ∠4=
∠5=70 so ∠6=
∠7=140 so ∠8=
∠9=90 so ∠10=
∠11=115 so ∠12=

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list