If a liquid has a density of 1,200 g/l, what is its density in cg/ml? a. 1.2 cg/ml b. 120 cg/ml c. 12,000 cg/ml d. 120,000 cg/ml

Multiply by the conversion factors that cancel the units you have and give you the units you want.

Your best choice is ...

... B. 120 cg/mL

infinitely many solutions

step-by-step explanation:

we have been given the equation;

2(2x + 3) = -4 + 2(2x + 5)

we need to determine the value of x.

2(2x + 3), we expand this expression to obtain 4x + 6

similarly 2(2x + 5) will become 4x + 10

now we have;

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 10 - 4

4x + 6 = 4x + 6

the expression on the left hand side is identical to the one on the right hand side. therefore, we are looking at just a single straight line whose equation is;

y = 4x + 6

consequently, we shall have infinitely many solutions