Parentheses group parts of the equation together and do them first:
For example, on a calculator:
With parentheses: (14 - 5) ÷ (9 - 6) = 3
Without parentheses: 14 - 5 ÷ 9 - 6 = 7.444 (repeating)
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It assures that whatever operation is contained within the parentheses will be carried out first.
Differential gene expression refers to the gene expression that reacts to stimuli or triggers. It is a means of gene regulation where certain hormones produce an effect on protein biosynthesis.
The expression "You can never change only one thing" refers to the interconnected nature of systems and the ripple effect that changes can have. When you make a change to one element within a system, it often has consequences that impact other parts of the system. This concept is commonly seen in fields such as engineering, biology, and economics, where changes in one variable can lead to unexpected outcomes in other variables.
Since x is not a part of the expression, x can approach zero without any effect. So, the answer would be (tank-sink whole)/k, k<>0.
0.35 Start with 7 / 20. Multiply by a number to get 20 into 100 (as long as the same number is the numerator and denominator with the fraction you're choosing, you won't effect the value of the expression.) 7 / 20 * 5 /5 = (7 * 5) / (20 * 5) = 35 / 100 or 0.35