D. X=3cm
Since the triangles are similar, just set up a proportion to solve for x.
4/8=x/6. Then just cross multiply and solve from there.
Find his rate:
120 / 15 = $8 per hour
Multiply the rate by hours:
$8 x 20 hours = $160
He will earn $160
8 times 8 is 64.
The square root of 64 is 8.
Option a:
is the right answer
Step-by-step explanation:
The given expression is:

As the denominators of both terms are same, the LCM will be x-2
so

Subtracting

Hence,
Option a:
is the right answer
Keywords: Polynomials, fractions
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Answer:

Step-by-step explanation:
