1.
yes
x is number of group acts
y is number of indivual acts
2. I would eliminate x by multiplying 2nd equation by -3 then adding
12x+6y=120
<u>-12x-3y=-90 +
</u>0x+3y=30
3y=30
divide by 3
y=10
sub
4x+y=30
4x+10=30
4x=20
divide 4
x=5
each group act takes 5 mins and each individual takes 10 minutes
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The answer would be the
6(3+7)
460miles
Explanation:
115/hr
4 hrs
115•4=460
Hope this helps!
I think its 6 I might be wrong lol
The possible dimensions are -7 and -8 units.
Solution:
Area of the rectangular skateboard park = 
To find the dimensions of the park.
Let us factor the polynomial:

15x can be written as 7x + 8x.


Take x common in 1st two terms and 8 common in next two terms.

Make sure that the remaining terms in the bracket should be equal.
Now, take the common term (x + 7) outside from both terms.



If the length of the park is -7 then the width is -8.
If the length of the park is -8 then the width is -7.
The possible dimensions are -7 and -8 units.