The exact value of the trig ratio sin(5π/12) can be determined to be an irrational expression in the form (sqrt(a) + sqrt(b))/c, what are the values of a, b and c?

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?