Answer:

Step-by-step explanation:
Since the numerator are like terms so you just add them together and leave the denominator the same.

Answer:
ez
Step-by-step explanation:
For a all you have to do is multiply by 3 so the answer would be -15
For b all you have to do is subtract 12 then divide by -1 so the answer would be -0.5
for c all you have to do is divide by -10 so the answer would be -0.1/-10 or 0.1/10
Answer: Your picture is blocked
Step-by-step explanation: Internet or something like that.
Answer:
d) 4(s + 4.5) and (s + 4.5) + (s + 4.5) + (s + 4.5) + (s + 4.5)
Step-by-step explanation:
since you know that one side is (s+4.5) and a square has 4 congruent sides the answer would be 4(s + 4.5) and (s + 4.5) + (s + 4.5) + (s + 4.5) + (s + 4.5)
Answer:
x=-5 y=2
Step-by-step explanation:
1) multiplying equation 1 by 4 and multiplying equation 2 by 2 .
2)adding them we get value of y.
3) replacing value of y in either of given equation