Simplify 9 + 2 [8 − (1)4].
1. −5
2. 23
3. 17
4. 77

Which number is irrational? a) 16 b) 18 c) 25 d) 36

In triangles abc and wxy, a=w and b=x which of the following must be true to prove abc=wxy by the aas theorem? a.ab=bc b.bc=xy c.ab=wx d.

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?