**Answer**: D
Some triangles may have right angels but all triangles never have all 3 right angles
So the answer is D
Answer:
Step-by-step explanation:

lets calculate the derivate of f using the chain rule:

we have that f'(1) = 4e^2, hence the equation is

or, equivalently,
Hey maaaaaaaan my brother will help you dsddd
Answer:
45
Step-by-step explanation:
first caseworker = 15 active cases
second caseworker = 2 x number of active cases
= 2 x 15
= 30 active cases
∴ number of active cases the office have = 15 + 30
= 45
E.5 hours
All you have to do is subtract 85 from 510 till you have 0