One ray of light in air (n=1.00) strikes a diamond (n=2.42) and another strikes a piece of fused quartz (n=1.46), in each case at an angle of incidence of 40.0°. What is the difference between the angles of refraction?

Mrs. foyle told yolanda that her test had 38 problems worth a total of 100 points. each test problem is worth either 5 points or 2 points. yolanda wanted to determine how many 2-point and how many 5-point questions are on the test. in the space below, determine how many questions of each point-value are on the test. show your work or provide an explanation to support your answer. need this asap