Answer:
Points C,D, E and F are coplanar.
Answer: 1: lease the car, 2: 4,643.46 3: 12,160.26
Step-by-step explanation:
Answer:

Step-by-step explanation:
We have been given an expression
. We are asked to complete the square to make a perfect square trinomial. Then, write the result as a binomial squared.
We know that a perfect square trinomial is in form
.
To convert our given expression into perfect square trinomial, we need to add and subtract
from our given expression.
We can see that value of b is 11, so we need to add and subtract
to our expression as:

Upon comparing our expression with
, we can see that
,
and
.
Upon simplifying our expression, we will get:


Therefore, our perfect square would be
.
Answer:
The possible numbers that Kelley might have scored are:
1, 2, 3, 4, 5, 6, 7 and 8
Step-by-step explanation:
Please kindly see the attached file for more explanation
7th grade has 3 boy out of 10 students
probability of picking a boy is 3/10
8th grade has 9 boys out of 12 students are boys
probability of picking a boy is 9/12 reduced to 3/4
3/10 x 3/4 = 9/40 probability of picking 2 boys