Answer:
D and F
Step-by-step explanation:
can be rewritten as
.
From there you can use the quadratic formula
(ignore the A, I can‘t seem to remove it), where a=1, b=4, and c=-8.

Then you get 
Then you get 
So 
Which means
or
which are choices D and F.
Answer:
y is 8
Step-by-step explanation:
First u do 13y-9y=4y
so you then have 4y-5=27
then you plus 5 to 27
u then have 4y=32
then divide 32 by 4
so you will get y=8
Answer:
Option C)
Step-by-step explanation:
We are given the following in the question:
I is the annual income of a person in a country R
2 percent of one’s annual income =

1 percent of one’s annual income =

Average of 100 units of Country R’s currency and 1 percent of one’s annual income.

Income tax =
2 percent of one’s annual income + Average of 100 units of Country R’s currency and 1 percent of one’s annual income.

Thus, income tax is given by
Option C)

Answer:
26 in.
Step-by-step explanation:
» <u>Concepts</u>
The perimeter for a shape is the total distance around it measured in units. The formula to find the perimeter of a trapezoid is a + b + c + d, where a & b are the bases, and c & d are the lengths of the other sides.
» <u>Solution</u>
Adding up all the sides, we get:
26 inches
Answer:
I really don't know but just use a calculator