Answer:
4x² + 4x + 1
Step-by-step explanation:
We know that (a + b)² = a² + 2ab + b², therefore, (2x + 1)² = 4x² + 4x + 1.
222222222222-22111111111111111
= - 2.2111 × 10^16
As fraction it would be 6/30 reduced 1/5 and as percentage 20% so 20% of the students were off.<span />
Answer:
$8.75 is your answer.
Step-by-step explanation:
What you do is you multiply 1.25 by 7.
<em>1.25 x 7 = $8.75</em>
$8.75 is your answer.