Find the measure of each interior angle for a regular triangle. round to the nearest tenth if necessary.

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?