4. Find the values of m, n and s in figure 5.48.
n
80°
m
m
S
45°
+
Fig. 5.48
5. Find angle CEB in figure 5.49.
E​

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

Solve for x where 0 equation: cot^2x+2cotx+1=0

Astock has a 25% probability of increasing by $10 and a 75% probability of decreasing by $5. what is the stocks expected increase or decrease?