Answer:
B
Step-by-step explanation:
mean = average. to find it, add all terms, and then divide by the number of terms.
find the mean of group a:
(1+1.5+3+3.2+2.8+1.5+1.8+2.5+2.2)/9 = 2.16
find the mean of group b:
(2+2.5+3.2+3+1.8+2.4+3+1.5+1/8)/9 = 2.1694
group b is larger.
answer = b
Put 7 in place of x 10-2(7)= 10-14=negative 4
Step-by-step explanation:
I. x - y = 4 --> y = x - 4
II. x + y = 4 --> y = 4 - x
Solution is x = 4 and y = 0
Answer:
A. True
explanation:
Inequalities that use ≤ or ≥ symbols are plotted with a solid line.
Bro what are you saying my guy
