H(t)=-16t²+500
0=-16t²+500
16t²=500
t²=31.25
t=5.9 seconds before the object hits the ground
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Answer: 7
Step-by-step explanation:

You can either remove brackets and just do a little addition and subtraction.


So the answer is 7.
Or just finish things inside the brackets first.

So the answer is 7.
Answer:
rational number
Step-by-step explanation:
A whole number would be just 8. Nothing behind it.
1/2 is the largest fraction out of all of them
Answer:
b) 29π mm²
Step-by-step explanation:
