The number of hours of daylight H in a certain area is approximately given by the function H(t) = 2.5 cos[ b(t - d) ] + 11.5 where H is in hours and t in days, and the function has a period of one year (365 days). a) Find b (b > 0) and d if H is maximum on June 21st (month of February has 28 days). b) Which day is the shortest (has the smallest number of hours of daylight)? Activate Windows

The sub asked Marisol to write the absolute value of negative thirteen on the whiteboard, How should she write it? 01- 13| Ov-13 O 13 O-V13

Apply the distributive property to produce an equivalent expression. Example: 6-+48j = 12(5+4j).

36. Open-ended challenge: Your friend used the distributive property and got an expression 4x + 12y- 32. What algebraic expression could your friend have started with?