12. the measure of the angles of a triangle are represented by (x + 10), (2x + 20) and
(2x - 25). find the measure of all the angles.

Avegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide. find the total area of the vegetable garden and path

Plz hurry evaluate the expression a+b where a=8 and b=19

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove