Hey I’m sorry but I do not know the answer.
It’s 50/50 hope this helps
Answer:
a) See figure attached
b) 
c) 
So then the heigth for the building is approximately 30 ft
Step-by-step explanation:
Part a
We can see the figure attached is a illustration for the problem on this case.
Part b
For this case we can use the sin law to find the value of r first like this:


Then we can use the same law in order to find the valueof x liek this:


And that represent the distance between Sara and Paul.
Part c
For this cas we are interested on the height h on the figure attached. We can use the sine indentity in order to find it.

And if we solve for h we got:

So then the heigth for the building is approximately 30 ft
The answer i think it is ,is b
Step-by-step explanation:
Given:
To find:
Solution:
(multiplication of digits give a larger number compared to addition, subtraction and division)
= (12 × 7) × (4 + 1)
∴ The biggest number Tony can make is 420.