The is c
The explanation is that when you were working out
Answer:
x= 2
y=4
Just subtract by like numbers.
Answer:
the building is thirty feet tall
Step-by-step explanation:
so make a ratio of shadow to joey
5:45
simplify that to
1:9
so you can now divide 270 by nine
30
the building is thirty feet tall
Answer:
Step-by-step explanation:
(7x-3)(12x-7)
we are solving for x and we are multiplying.
we start with the x's 7x*12x= 84x
-3*-7=21
so now we have
84x+21=0
the 0 is a placer for answering the question
we minus 21 to both sides
84x=-21
now we divide
84/-21= -4
x=-4
