I can only help you with the second one. It is a positive correlation because it is going upwards. Good luck with the first one!
I honestly don't know because i'm only in sixth grade but I think that it might be 30*.
3 1/2 divided by 2 1/4 = 1.55555556
1.55555556 Rounded is 1.55
Answer:
an=7n-19
(the last one)
Step-by-step explanation:
Answer:
The measure of angle C is 
Step-by-step explanation:
we know that
If AB || DC
then
-----> supplementary angles by consecutive interior angles
and remember that the sum of the interior angles in a trapezoid is equal to 360 degrees

step 1
Find the measure of angle D
substitute the measure of angle A
step 2
Find the measure of angle C

substitute the values

