Answer:
Last year company produce 225 items
Step-by-step explanation:
let the number of items produced last year be x
Here we are asked to find the percent increase in the production of the items from last year
The production for the last year = x
The production for the current year = 243
Total increased production =243-x
Hence percentage calculation = 
%
Increased percentage = 
%
Percentage increased = 8 %
Hence
x=225
Hence Last year production was 225 items
Divide the figure into two rectangles:
12*3 (top) + 6*6 (bottom) = 72 yd^2
Answer: I think its 2.29
Step-by-step explanation:
First join the log4 on the left:
log4( x*(x-3) = log4(-7x+21)
Then x = -7, works: -7*(-10)=70 = -7*(-7)+21
x=-3, 18 = 42, does not work
x=3 0=0 works,
However, when one puts x = -7 in the *original* exression, log4(-7) or log4(-10) do not exist (you know why?). So x= -7 is extraneous.
Now x=3 gives log4(0) on the left and right, which does not exist.
So, C is the answer, both are extraneous. Seem to work but indeed don't work in the *original* equation
