(8 points) The following gives values for a function N=N(t). t N=N(t)
10 19.1
20 23.6
30 33.9
40 40.4
50 49.5
60 50.2
70 65.6
Calculate the average rate of change from t=20 to t=30. Use your answer to estimate the value of N(29). Round to one decimal place.

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

How do you find principle and simple interest

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?