Answer: Hope this helps you!
Edit: the 2nd photo is more in detail and should help you better. Good luck!
Step-by-step explanation:
Answer: -74
Step-by-step explanation:
First you have to solve - 2y - 9 = 7 to find what "y" equals so we can plug that into 9y - 2
1. Solve -2y - 9 =7:
-2y = 16
y = -8
2. Plug -8 into the expression 9y - 2:
9(-8) - 2
-72 -2
-74!
Im sorry if i didnt do this correctly :/
Answer:
C. 
Step-by-step explanation:
Since 40% of the students prefer chocolate ice cream, 60% don't prefer chocolate ice cream. Use this proportion set equal to 25 to find the number of students who prefer vanilla ice cream, instead of chocolate ice cream.
Answer:
lol if a = 90 then b = 75 so C is 105
then you get the derivative number which is X by adding a2 b2 then dividing by the c2. so its true
Step-by-step explanation: