Which of the following is a regular polygon
a. rectangle
b. circle
c. equilateral triangle
d. trapezoid

Maria solved an equation as shown below. what is the solution to maria’s equation?

Megan and desmond each add the same amount of water to their aquarium megan makes 5 ml of chemical solution with every gallon of water for her aquarium desmond mixed 8 ml of chemical solution for every 2 gallon of the water for his aquarium.

Willard f. libby received his undergraduate degree from . after he completed his graduate work, he became a professor at . in 1960, he won a nobel prize in .