If I read correctly, 2456 pennies needs to be divided simply by 3 then rounded to the nearest hundredth. So you would do 2456/3 3 goes into 24 how many times? Then 3 goes into 5 how many times, then continue the pattern. Once you've gotten a decimal to the thousandth, round the number to the hundredth and there you go
Answer: In the figure AB is about 8.4 inches and AC is about 13.05 inches.
Step-by-step explanation: We can use cosine to find the hypotenuse. 
Using a calculator x is about 13.05
Using tangent we can find the length opposite of <C

Using a calculator x would be about 8.4
Answer:
(-2, -18) and (2, 10)
Step-by-step explanation:
the answer is -18 and 10
Steps to solve:
25 = x + 19
~Subtract 19 to both sides
6 = x
Best of Luck!
Answer:
Tangent = opposite / adjacent
Tangent of 45º equals 1
Step-by-step explanation: