Answer:
-2a
Step-by-step explanation:
a - 6a becomes -5a, add 3a becomes -2a. The expression equivalent to a - 6a + 3a is -2a.
The volume of a cube is found by multiplying the length of any edge by itself twice. So if the length of an edge is 4, <span>the volume is 4 x 4 x 4 = 64</span>
Answer:Sorry i cant see it
Step-by-step explanation:
The second part = 1
the second part could be written sin²x.(1/sin²x), since cscx =1/sinx
hence 1 = 1