Hi there!

We can begin by making each fraction have a common denominator:
If we make each have a common denominator of ab, we get:

Simplify:

Multiply both sides by ab:

Move b to the opposite side:

Factor out b:

Divide by (ac - 1):

Answer:
hgvcffgebebddbb
Step-by-step explanation:
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Answer:
300 cm
Step-by-step explanation:
8 x 2.5 = 20
6 x 2.5 = 15
20 x 15 = 300 cm²
its line a
Step-by-step explanation:
Since grades are out of 100, you can just subtract 75 from 90 which is 15. the percent of increase in the student's grade is 15%