Select all the correct answers. Which expressions are equivalent to this exponential expression?
(52)-3.54
5-4
25
0 0 0 0 0
52
5-1
051
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Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)