<span>x^2 = 81
x = </span>±√81
x = ±9<span>
x^2 = -9 no solutions
x^2 = 20
x = </span>±√20
x = <span>±2</span>√5<span>
</span>

<span>
</span>
4 over 3.2 = 6 over 4.8
I hope this helps!!
Answer:
=
* 2 + 
Step-by-step explanation:
lets start with what we know.
the recipe calls for 2
cups of yogurt. and Paolo doubles the recipe. so multiply the recipe for yogurt by 2
2
* 2 = 5 cups of yogurt.
the total of yogurt and oats is
and we know how much yogurt we have so we subtract that from the total of both.
- 5 = 
the oats after doubling were
cups so u divide it by 2
/ 2 =
before doubling
Answer:
y<2/3x-1
Step-by-step explanation:
plotted point is on -1
slope of the line is rise 2, run 3
so its the last option
Answer:
13
Step-by-step explanation:
Given:
- Square stickers that were 3/4 in long
- The spine is 10 and 1/2 in long
If she laid the stickers side by side without gaps or overlaps so the number of sticker to cover the length of the spine:

10 :
≈13
She needs 13 stickers cover the length of the spine