Answer:
-2/5
Step-by-step explanation:
We can use the slope formula
m = ( y2-y1)/(x2-x1)
= ( 18-8)/( -15-10)
= 10/-25
-2/5
The number of ounces of cereal in the third box is 32.
<u>Explanation:</u>
Given-
10 oy box = $3
Price of 1 ounce box = $3/10
= $0.3
20 oy box = $5
Price of 1 oy box = $5/20
= $0.25
Therefore, it is beneficial to buy a 20 oy box as it is comparatively cheaper than the 10 oy box.
Third box of cereal = $8
$5 is the price of 20 oy box
$8 will be the price of x oy box
So,

Therefore, the number of ounces of cereal in the third box is 32.
Answer:
2) 6
4) 9
Step-by-step explanation:
Answer:
x = 3
Step-by-step explanation:
8z = 2x + 18
6x = 18
x = 3