Answer:
The lemon weighs 0.06 kilograms.
Step-by-step explanation:
0.25*0.24=0.06
3x² + 9x - 54 :(3)
x² + 3x - 18
(x-3)*(x+6)
Answer:
20) the answer is -43
21) the answer is 25
22)the answer is -5
Step-by-step explanation:
20) 
n=-7
p=-6
we have:

21) mp-(p-(m-n))
m= -1 n=-6 p=-10
-1*-10-(-10-(-1-(-6)))
10-(-10-(5))
10-(-15)
10+15=25
22) 
m=1 n=5
1- 
1- 2/2 -5
1-1-5 =-5
Answer:1.41666666667 or to simplify, 1.416 but the 6 is repeating so draw a bar over the 6.
Step-by-step explanation:
<h3> </h3>
Answer: (-2, 2) and (4, 8)
There are two solutions because the two functions cross each other twice.