Select the correct answer. Solve the equation by completing the square. 0 = 4x2 − 72x A. x = -18, 0 B. x = -72, 90 C. x = -90, 72 D. x = 0, 18

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Which of the following are parts of a sphere

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d