If the hat is 15% off, then he will pay = 100 - 15 = 85%
So, He is wrong (not correct)
Hope this helps!
(-3, -2) is the vertex.
You can find this by plugging into -b/2a to find the x value and using the x value to find the y value.
And another spot on the vertex would be (0, 16), which is the y intercept.
Answer:
x = 11
Step-by-step explanation:
282/2 = 141
180 - 141 = 39
4x - 5 = 39
4x = 44
x = 11