Hello
a=2, b=7, c= -30
ac=-60
-60= 12*(-5)
We can see that 12*(-5)=ac and 12-5=b=7
So

Thanks
Monday 18 + Tuesday +7 Wednesday +7 Thursday +7 Friday +7 = 46
Answer:
The answer is the last one
Step-by-step explanation:
Hope this helps
Let x be the width, length=4x
(4x+x)×2×2=12.5
20x=12.5
x=0.625
Length = 4×0.625=2.5
Area = 2.5×0.625= 1.5625 km square
Answer:
x=b/a
Step-by-step explanation: