Explain why vertical angles cannot be adjacent angles?

Dr. Graham needs 30 L of a 50% acid solution to conduct an experiment. She only has a 60% acid solution and a 20% acid solution in her lab. How many liters of each solution should she mix together?

Emily sold 96 boxes of cookies for a fundraiser. If she sold 60% of the total number of boxes sold for the fundraiser, how many total boxes of cookies were sold for the fundraiser?

Daniel's tennis team made $582.85 from running the concession stand at a basketball game. The food and drinks cost the team $64. What expression would model the amount of money each player would receive if the money is divided equally?

What is the range of this data set? 27, 5, 11, 13, 10, 8, 14, 18, 7 A. 22 B. 7.5 C. 11 D. 16

Suppose that you are at a restaurant whose menu has 4 salads, 5 main courses, and 3 desserts. how many di↵erent meals could you order if your meal consists of one salad, one main course, and one dessert?

While 2x-1=0, what is the circumference of the moon divided by the force of gravity on Earth?

What grade math uses quadratic functions?

Find the x - and y-intercepts of each equation, then graph the line y = - 6x-5

A bag contains 6 red balls numbered 1, 2, 4, 5, 8, 9 and 4 white balls numbered 3, 6, 7, 10, at random, what is the probability the ball is 8, 9 and 4 white balls numbered 3, 6, 7, 10. If a ball is drawn a. red or odd-numbered? b.

Simplify the polynomial 16x2+2x-15x2-1+14x