Which expression is equal 3(5+6) ?

a. 15+6
b. 5+18
c. 15+18
d. 3+11

explain

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 (%)

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

Find the value of x in the diagram below. select the best answer from the choices provided