Which expression is equal to 4y?
y + 3
y^2 + y^2
3y + 1
y + y + y + y
i'm a bit stuck : o
15 points! : 3

Let w=23 . what is the value of w + 45 ?

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?