Annaba jajsjdhs jakka dusk
Answer:

Step-by-step explanation:
step 1
Find the radius of the circle
we know that
The circumference of a circle is equal to

we have


substitute the values



step 2
Find the area of the circle
The area of the circle is equal to

substitute the values


Answer:

Step-by-step explanation:
Answer:(d): y=ax+b (a≠0); (d1)y=-4x+13
because of (d)⊥(d1) --> a.(-4)=-1 --> a=
(d): y=
+b. (d) pass through P(-1;-2) so we have
-2=(1/4).(-1)+b ---> b=
(d) y= 
Answer:
For this question I believe this is A) He is inventive and reasoursful.
Step-by-step explanation:
I think this is the answer because he made so many things like used bicycle tires to help him wire the wires in the text givin. Have a nice day and stay safe!!!