Answer:
270
Step-by-step explanation:
90 devided by 2.5 = 36 and 36 x 7.5 = 270
Answer
<h2>

</h2>
Step by step explanation

The product of roots with the same index is equal to root of the product

Calculate the product

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The answer is 48/35 or 1 13/35 or 1.3714
Answer: -6.25
Step-by-step explanation: 0.5 -3(0.5+1)^2
=0.5 -3(1.5)^2
= 0.5 -3(2.25)
= 0.5-6.75
= -6.25