Answer:
6a^2 + ab - 2b^2
Step-by-step explanation:
[insert something smart]
Answer:
670.8
Step-by-step explanation:
55.9x12=670.8
I can’t see the photo so I can’t tell you the answer but good luck. Congruent means they look the same I think.
Answer:
y = 5
Step-by-step explanation:
22.5(10-y)+27.5y=250
Combind like terms,
Subtract 225 from both equations to isolate the variable.
Divide both sides by 5 to isolate the variable and solve it.
Answers are:
16.
-1 - (-4) = 3
17.
-1-1/3 - (-4) = 2-2/3
18.
2 - (-1) = 3
19.
3-1/2 - (-1) = 4-1/2
20.
3-1/2 - 2 .= 1-1/2
21.
3-1/2 - (-1-1/3) = 4-5/6
Step by step: I took one point and subtracted the second point to get the length of each segment. You could also look at the ruler and count from one point to the other.
Remember when you subtract a negative, the two negatives become a positive
