Dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd
Answer:
A
Step-by-step explanation:
You switch the y and x and solve for y.
y = 2x + 5
becomes
x = 2y + 5
Subtract 5 on both sides.
x - 5 = 2y
Divide 2 on both sides.
(x - 5) / 2 = y
193,800,000-31,300,00-23,200,000=139,300,000 is correct I think
Answer:28
Step-by-step explanation:
C: 25 should be added;
the expression would become x^2 + 10x + 25, which can be factorised to (x + 5)^2