<span>The correct ansswer is option B. i.e. 0.9 . Because 0.37 and 0.08 are clearly lesser. And amongst, 0.69, 0.71 and 0.9, the number 0.91 is the greatest of all. So, 0.91 is greater than 0.7 from all the given options.</span>
Answer: 32, -64, 128, -256
Answer : The two correct options are,
3.4a + 5.6b
5.6b + 3.4a
Step-by-step explanation :
The given expression is:
(-2.4a - 1.8b) - (-3.8a - 4.4b) + (2.0a + 3.0b)
First we have to open the brackets.
⇒ -2.4a - 1.8b + 3.8a + 4.4b +2.0a + 3.0b
Now keep like terms together.
⇒ -2.4a + 3.8a +2.0a + 3.0b - 1.8b + 4.4b
By subtraction or addition, we get:
⇒ 3.4a + 5.6b
or,
⇒ 5.6b + 3.4a
Hence, the expressions that equivalent to the given expression are, 3.4a + 5.6b and 5.6b + 3.4a
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Let me know the website I used was Desmos graphing calculator
