Y^2-9^2
(y-9)(y+9)
To see if its right:
y*y+y*9-9*y-9*9
y^2+9y-9y-81
y^2-9^2
Answer:
Thus every real number other than zero is either positive or negative, while zero itself is not considered to have a sign. Positive numbers are sometimes written with a plus sign in front, e.g. +3 denotes a positive three.
Answer:
u use cosine
and then some proportion
i am 60% sure
dont trust me
i learned this a week ago and now i forget it all help me study for the quiz i have on this tmrw?
Answer:
3/16 yds^2
Step-by-step explanation:
To find the area multiply length by height
A = 5/8 * 3/10
= 15/80
Divide the top and bottom by 5
=3/16 yds^2
Answer:
part 1: first one: 7
Step-by-step explanation: