Add one set of parentheses to the expression 7.x+3+8.X+3.x+8-9 so that it is equivalent to 2(9x + 10).

Classify the following triangle check all that apply

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

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 (%)