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Margarita [4]
2 years ago
8

Students set up the experiment shown in their Biology class. After 24 hours, students noticed gas had accumulated in one of the

inverted test tubes.
They measured the amount of gas.
What would be a best explanation for the gas accumulated in one of the inverted test tubes?

Mathematics
1 answer:
Orlov [11]2 years ago
7 0

Answer: Light caused the eludes plants to photosynthesize, releasing O2 gas

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Solve the inequality 2x < 8 - 4(2 - x)
nevsk [136]
Remember you can' do anything to boht sides, but when times negative, flip sign
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distribute the -4
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2x<8-8+4x
2x<4x
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5 0
3 years ago
Maria bought 1,000 pounds of bananas for $220. How much did they cost per pound?
densk [106]

Answer:

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Step-by-step explanation:

8 0
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Step-by-step explanation:

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8 0
2 years ago
Find the value of the expression 4a to the fourth power - 2b squared +40 when a =2 and b=7
Tom [10]
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a=2
b=7
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PEMDAS is what your gonna use to solve this you go from right to left

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second is E which stands for exponents
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now MD multiply or divide
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now add or subtract
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3 0
3 years ago
What value of B makes the expression, x^2 + bx + 64 a perfect square trinomial?
Kitty [74]
B = 16
x^2 + 16x + 64 can be factored down to (x + 8)^2. 
7 0
2 years ago
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