Your photo is super blurry! I can’t read parts of the problems, so I can’t exactly help you. Sorry! Good luck.
The product is 1800
because 90x20
Answer:
Step-by-step explanation:
(21²+10²)½ = 23.25= 23.3
C
Step-by-step explanation:
This has a U like shape so it a parabola.
Parabola correlate with quadratic functions

Since it Going down, the answer is C -x^2.
<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>att</em><em>ached</em><em> </em><em>picture</em>
<em>hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em> </em><em>.</em><em>.</em><em>.</em><em>.</em>