Answer:
A. 4
Step-by-step explanation:
140 + 40 = 180 since that whole angle adds up to 180 which is a straight angle
which means the angle isn't gay which is a good angle LOL
the angle that 10 is in is an acute angle
acute angles are below 90 degrees
so 4 x 10 is 40 which is below 90
so since it is the only thing below 90
Its the answer
Using FOIL we get:
xy + 8x - y - 8
y≤-8
This sign represent y is no more than/is less than or equal to.
I hope this helps!=)
4√5
2√5 + 3√5 - √5 = 4√5
add up 2 and 3 that's in front of √5 then subtract 1 from it
