BRAINLIEST 10PTSS
What are the measures of Angles a, b, and c? Show your work and explain your answers. (10 points)

What is the missing constant term in the perfect square that starts with x^2 -20x

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?