Answer:
set mary is x years old, and helen is y years old.
first sentence:x=2y
second one:4(y-8)=x+4
bring x=2y in 4(y-8)=x+4
=>4y-32=2y+4
=>2y=36
=>y=18
=>x=36
mary:36
helen:18
The first one :)
apparently brainly needs 20+ characters so ejsorjxlhelehIwbekzheknf
So we need to now how many crates they sold, how many boxes are in a crate, and how much they sold the cates for.
So we don't need A. we don't need to know how much is in the box, just how much money they made from the box.
Answer:

Step-by-step explanation:
General slope intercept form equation of straight line is given as

where m is slope and b is y-intercept
here m=24 and b=-5
Therefore

Answer with Step-by-step explanation:
We are given that


We have to find the speed of river's current and the direction of current flowing.

Speed of river's current=
Speed of river's current=
Speed of river's current=
By using the formula

Direction of current flowing,

The angle lies in third quadrant therefore
