There is a graph image below.
He needs to score a 94 on the test to average 85% on all tests.
75+68+92+100+94=429 429/5=85.8
Answer:
80 yd^2
Step-by-step explanation:
Since the formula for squares is s^2, we can use this to set up an equation, which is
s^2=400
If we square root this, we get
s=20
The perimeter formula for a square is 4s, so if we plug in, we end up with 80 yd^2