Solve for x: [3x + 12] = 18 A. x = -2, x = 10
B. X = 10, x = -10
C. X = 2, x = -2
O D. x = 2, x = -10

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

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 (%)

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5