Answer:
y = 
Step-by-step explanation:
multiply
by
to get
:
+ y -
= 
simplify:
y +
= 
subract
from both sides:
y = 
Answer:
60
Step-by-step explanation:
You first have to do the parenthesis
(5-7)= 5-7= -2
Then just multiply -30 by -2
Since negative x negative = positive, the answer will be positive.
(-2)(-30)= -2 x -30= 60
60
Answer:
12
Step-by-step explanation:
The total value is:
5. 5 x 10 ^5 * 23 x 10^3 =
= $126.5 * 10^8 =
= $1.265 x 10^10
Answer: B )