Answer:
m-3 years old
Step-by-step explanation:
I assume you mean, that an angle and two sides are known.
A formula that can be used for irregular triangles is the cosine rule.

'b' and 'c' must be sides that are beside the angle 'A' (angle opposite 'a').
Answer:

Step-by-step explanation:
"At most 4" means it can be 4 or less.
That is the same as "less than or equal to 4"
Let x = number of frogs the princess kissed.

Answer:
0.605
Step-by-step explanation:
3rd choice, because you would need to multiply positive 3 to get a positive 9 positive times a positive if positive. negative times a negative is a negative