Answer:
The answer is c definitely
Answer:
45
Step-by-step explanation:
5 * 6 = 30$ (the cost of backpacks)
3 * 5 = 15$ (the cost of pens)
15 + 30 = 45
$45
You can use the volume of pyramid B divided by volume of pyramid A and multiply 100%. That is 800/200*100%=400%. So the answer is D. 400%.
3/7 is the final answer if you simplify is as much as possible.
Reference to a standard normal distribution table shows that for a cumulative probability of 0.6064 the z-score is 0.27.