Answer:
weeks
Step-by-step explanation:
Given
It takes 14 weeks to empty a lake
also it takes 20 weeks for a river to fill the lake
Part of lake empty in 1 week 
Part of lake filled in 1 week is 
And if both works simultaneously then


therefore it takes
weeks to fill it
Answer;
red line: y = x
green line: y = -x
If you imagine it like the picture below, you could use the pythagorean theorem to solve for x
Answer:
what did the triangle say to the circle? “You’re pointless”
Parallel lines have so much in common..... it’s a suene they’ll never meet.
I had an argument with a 90º angle. Turns out it was right.
Step-by-step explanation:
Answer:
x = -3/4, 1
Step-by-step explanation:
Factor left side of the equation.
(4x + 3)(x - 1) = 0
Set factors equal to 0.
4x + 3 = 0
4x = -3
x = -3/4
x - 1 = 0
x = 1