Answer:
-3
Step-by-step explanation:
-7x+15=36
or,-7x=36-15
or,-7x=21
or,x=21/-7
or,x=-3
This is the required answer.
7.5
5.) MIGHT I SAID MIGHT be 20+16+12=48km squared for perimeter and 192 (im not sure really) for area
i can only do one I HOPE this helps probably not tho
68.69 m^3
Volume of cone =
=
