Answer: 3.78
Step-by-step explanation:
Because she bought 2 $1.89 loaves, she spent 2 * 1.89, or 3.78 dollars.
Hope it helps <3
Answer:

Step-by-step explanation:

Let's apply the formula (x+y)² = x² + 2xy + y²
Here, x = -a and y = b
So,
= (-a)² + 2(-a)(b) + (b)²
= a² - 2ab + b²
Hence, it has been proved that (-a + b)² = a² - 2ab + b².
![\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Crule%5B225%5D%7B225%7D%7B2%7D)
Hope this helped!
<h3>~AH1807</h3>
This is false... you can get an easy example: (-2) + (10) = 10 - 2 = 8
Answer:
(a) draw the graph using these coordinates :
(0,-1) and (3,1)
(b) x = 3
Answer:
y=1/4x-4
Step-by-step explanation:
slope is 1/4 and the y intercept is -4