Answer:
10x-20
Step-by-step explanation:
(5×2x)-(5×4)
10x-20
Answer:
=14bx2−7x3−4b+2x
Step-by-step explanation:
Answer:
375
Step-by-step explanation:
12.5=1min
30min=?
30x12.5=357
Answer:
70, I think
Step-by-step explanation:
f(10)= -10^2- 3(10)
f(10)= 100-30
f(10) = 70
Answer:

And the best option would be:

Step-by-step explanation:
We assume that the distribution for the random variable is:

For this case we want to calculate the following probability:

And we can use the normal standard distribution or excel and we got:

And the best option would be:
