Hello! To find the answer to this, we must add all of the first 5 numbers. When you do that, the sum should be 81. You must do 16 * 6 to find the number of points combined he needs to add up to the average. 16 * 6 = 96. 96 - 81 = 15. On the 6th test, you must score 15 points to have an average of 16 points. The answer is 15.
Answer:
this shape consists of a square and triangle
Answer:
27.93 square yard
Step-by-step explanation:
For semicircle:
Radius (r) = 7 yards
For Triangle:
b = 2r = 2*7 = 14 yd
h = 7 yard
Area of shaded region = Area of semicircle - Area of triangle

15 to 19 was about a 27% in increase