Ihave the formula to get a radian angle from a degree

x° • π/180 = π radian

and to get a radian to a degree

π/x • 180/π = °

but i'm not sure how to do this

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points