Answer:
6x^2+2x-6
Step-by-step explanation:
In the expression (2x)(x2)+(2x)(x)+(2x)(-2)+(3)(x2)+(3)(-2) take each set of two and solve those individually. The expression then becomes 4x^2+2x^2-4x+6x-6 the combining like terms you get 6x^2+2x-6.
For the question mark, we can insert a variable considering it is an unknown number.
Answer:
20.5a
Step-by-step explanation:
- 18a + 2.5a = 20.5a
I hope this helps!
Volume of a pyramid is 1/3 base x height or 1/3 b h ( rest are in the Comments
Answer:
17
Step-by-step explanation:
41 - 24 = 17
17 + 24 = 41