What is 2 + 5 - 2 x 9 = ? The person who gets it right, I will make you brainliest.

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale