The mapping diagram shows a function. What could be a possible value for the missing number n? A. 7
B. 9
C. 8
D. 15

What is sin 7x/4 ? i need on this urgent trig

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.