Find the area of the trapezoid and the shaded area then subtract and u have ur answers
Step-by-step explanation:
1\5 ÷3/7=7/15
3/7 multiply by 7/15=1/5
The mean is not the same thing as median
mean=78+81+85+87=331
mean=331/4=82.75
median is the middle number, but you have a par set of numbers, so your median will be the middle numbers 78,81,85,87 , which are 81+85=166, 166/2=83
83 is your median
Answer:
2
Step-by-step explanation: