A 68 since it is an = triangle
Answer:
19
Step-by-step explanation:
1st you will use a^2+b^2=c^2
next you plug them in so it would be a^2+16^2=25^2
next you would solve it to a^2+256=625
then you would get 369 and square root it
and your answer will be 19.2.
Answer: D. 7^11
Reason:
The rule we use is 
When multiplying exponentials of the same base, we add the exponents.
The exponents 5 and 6 add to 5+6 = 11
So,

The base stays the same the entire time.
It'd be 9.096491 hope that helps.
Answer: $178.13
Step-by-step explanation:
418x0.16=66.88
22.25x5=111.25
111.25+66.88=178.13