Answer:
5
Step-by-step explanation:
Simplify (-10- square root of 125)/5. −10−√1255 - 10 - 125 5. Simplify the numerator.
The answer is 19.6 cm^2
you should find the height of the triangle by heron formula: it will be 9.8
so the area is

good luck
132 problems because...
there are six 30 minutes in 3 hours so you would multiply 22 with 6 to get 132
(22*6=132)
I think its B but ima have to check again and get back to you