Answer:
1.25
Step-by-step explanation:
10/4=2.5
2.5*0.5
Answer:
It's a.
Step-by-step explanation:
(a - 2b)^2 + 8ab
= a^2 - 4ab + 4b^2 + 8ab
= a^2 + 4ab + 4b^2.
((a + 2b)^2 = a^2 + 4ab + 4b^2.
Answer:

Step-by-step explanation:
Slope-intercept from is:

m is the slope and b is the y-intercept. Insert slope:

The y-intercept is at point (0,4). The y-intercept is when x equals 0, so take the value of y and insert into the equation:

Finito.
Answer: 3,19 which is larger than the original
Step-by-step explanation: if you consider that the original average is 3 you can say that all 25 students have 3 siblings so the average is 3, if you add another students with 8 siblings and do some math (25*3+8)/26 its 3,19