The answer is C.
You need you use Pythagoras theorem 2 times to have 2 equations with the same sides i.e. for example a2 + b2 = 81 and a2 - b2 = 9.
You can do it as you have different triangles but with the same sides.
Answer: b=-2.7
Explanation: it’s right trust me
I'm not completely sure, but I think you do 2 times itself twice which would get you 8..
Answer:
y=-3
Step-by-step explanation:
y=-2x+5
y=-2(4)+5=-8+5=-3
Answer:
Mean = 52
Standard Deviation = 13.64
Step-by-step explanation:
mean = 260/5
= 52
Standard Deviation = 
= 13.64
I wasn't sure about my answer so used the Gauthmath app
