Answer:
87.5
Step-by-step explanation:
By completing the square,
y
=-14x^2+70x
=-14(x^2-5x)
=-14(x-5/2)^2+175/2
the max. height=175/2
i.e. 87.5
Answer: 15
REMEMBER: The mode is the value that appears most frequently in a data set.
Answer: x=8
Explanation: cause it is lol
Answer:
0.8 or 4/5
Step-by-step explanation: