Answer:
B C and E
Step-by-step explanation:
The easiest way to know if the graph was a function is the vertical line test
If you can draw a verticle line that interests the graph two or more times it is not a function and if you can't it is a function
Cookies=x
brownies=y
.5x+.75y=100
.5x=100-.75y
x=200-1.5y
400-3y+.75y=100
-2.25y=-300
y=133.333
x=0
Step-by-step explanation:
The model will contain 1 ten and 4 ones in each group.
- - = + 9-(-4)= 9+4 so minus minus becomes plus. and 13 is the answer.