Answer:
I think it's c
Step-by-step explanation:
because a*1=1
All of the other statements are incorrect because for one a+0=0 Only 0 can = 0
A*0=1? A number times 0 is always going to be zero
A+1=1? Only 0 is the only number that a number plus 0 is the same number
3/40 is a fraction itself.
H/2+7 = 10
h/9 = 10
h= 10 x 9
h = 90
If x equals -13 then..
-4(-13)+5y=12
52+5y=12
5y=-40
y=-8