11.
(87+91+86+x)/4=90.
x=96.
13.
50×y > 130.
the lowest number could be 3, because 50×2=120, which is less than 130.
1.79(4.05 + 2.78) is the answer i had this question and this is the right answer I hope it helps
Answer:
136 general admission tickets were purchased, and 300 upper reserved tickets were purchased.
Step-by-step explanation:
This question is solved using a system of equations.
I am going to say that:
x is the number of general admission tickets purchased.
y is the number of reserved tickets purchased.
There were 436 tickets purchased for a major league baseball game.
This means that
, or also, 
The general admission tickets cost $6.50 and the upper reserved tickets cost $8.00. The total amount of money spent was $3284.00.
This means that
. Since 




And:

136 general admission tickets were purchased, and 300 upper reserved tickets were purchased.
The formula to find the slope of a line is

.
I'm not sure if my fraction looks right, so I'll add it in a separate attachment too.
Answer:
4
Step-by-step explanation:
1st: do 2x3=6 so if 1 6in scoop makes one pitcher of tea then you could make about 4 pitchers of tea because there are the volume of the pitcher of tea mix is 24in so 24/6=4