An atom of element A has 74 protons. What would the elements atomic number be?

Use the Law of Cosines to find the missing angle. Find m∠B, given a = 11, b = 12, and c = 17.

Ushma and her friends went to a movie that started at 7:35 P. M. the movie ended at 9:20 P. M. how long was the movie

How do u get 4/13 = 20/52?

Rectangle A measured by 3 inches. Rectangle B is a scaled copy of rectangle A. Select all of the measures pairs that could be the dimensions of rectangle B. A. 4.5 inches by 1.5 B. 8 inches by 2 inches D. 13.5 inches by 4.5 inches E.

A rectangle's length is 6 inches more than two times the width. if the perimeter is 192 inches, what are the rectangle's dimensions (length and width) ?

Which best describes a way in which Naturalism differs from Realism? A. Characters are idealized. B. The effect of society and heredity on character is explored. C. The importance of nature is emphasized over that of humanity. D.

Find the equation of the line that cuts the y axis at y=-9 and whose slope is 1/7.

Math is often used to determine the correct dosage for medications; create scale drawings; graph data from scientific investigations. Given this information, what conclusion can be made about mathematics? A.

A car is 200 km from its destination after 1 hour and 80 km from its destination after 3 hours.

Consider the equation x-3=5. a. Multiply both sides of the equation by a constant, and show that the solution set did not change. Now, multiply both sides by x. b. Show that x=8 is still a solution to the new equation.