1. the total of an area under the curve must be equal to one. 2. Every point of the curve must have an vertical height that is 0 or greater.
9/2 = 81/a....9 kids meals to 2 adult meals = 81 kids meals to a adult meals
cross multiply
9a = 2(81)
9a = 162
a = 162/9
a = 18...so there were 18 adult meals
ratio is : 81/18
Answer:
8z+12
Step-by-step explanation:
Answer:
The missing measurement is : 
= ~ 12
=> Original height should be : 7+12 =19
Answer:((√2) + 2)/2
Step-by-step explanation:
(1+√2)/(√2) x ((√2)/(√2))
(√2(1+√2))/2
((√2)+2)/2
