Answer:
How to Calculate a Rate. "Rate" simply means the number of things per some other number, usually 100 or 1,000 or some other multiple of 10. A percentage is a rate per 100. Infant mortality rates are calculated per 1,000.
Step-by-step explanation:
Answer:
They each paid $40
Step-by-step explanation:
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Answers and work is written in the picture. Hope this helps!!
<span>2x^2 − 2z^4 + y^2 − x^2 + z^4
</span>2(-4)^2 − 2(2)^4 + (3)^2 − (-4)^2 + (2)^4
2(16) - 2(16) + 9 - 16 + 16
32 - 32 + 9 - 16 + 16
answer is 9
