10. Use the Multiplication Property of Equality to complete the statement, If \( \mathrm{m} \angle X=15 \) ?, then \( 4(\mathrm{~m} \angle X)= \) \( 30^{\circ} \) \( 15^{\circ} \) \( 45^{\circ} \) \( 60^{\circ} \)

When seven basketball players are about to have a free-throw competition, they often draw names out of a hat to randomly select the order in which they shoot. What is the probability that they shoot free throws in alphabetical order? Assume each player has a different name. P(shoot free throws in alphabetical order) = (Type an integer or a simplified fraction.)

During the holiday season, Brianna sold scarves at a kiosk in a shopping mall. Embroidered floral scarves cost \( \$ 28 \) each, and sheer chevron scarves cost \( \$ 15 \). One day she sold 41 scarves. Total receipts for the day were \( \mathbf{\$ 7 8 4} \). How many of each kind of scarf did she sell? Brianna sold \( \square \) embroidered floral scarves and \( \square \) sheer chevron scarves.

b. \( \int\left(-x^{3}+\cos x-2 \sqrt{x}\right) d x \)

Find the union. \( \{3,4,5,6,7\} \cup\{2,3,5,11\} \)

Izzy had an 87 and an 83 on his first two tests and believed that he did well enough on his final exam to keep his B average. However, when he got his grade he received a D. He checked with his instructor and learned that the instructor had made a mistake by transposing the digits when he recorded the final exam grade. If Izzy's incorrect average (mean) for the class was 69 , what was his correct final exam score? Izzy's correct final exam score is (Type a whole number.)