Answer:
a = 7
b = 7
Step-by-step explanation:
in a 45-45-90° triangle, the length of legs to hypotenuse is 1 : 
Denote by m for marinara and by a for alfredo and recall the following law:

Therefore

The correct answer is the last one.
Answer: (0,4)
Explanation: What you're looking for is their point of intersection.
The point where the two lines intersect is the solution to the system.
In this case, the to lines intersect at the point (0,4).
So (0,4) is the solution to the system.
Answer:
117 I think...
Step-by-step explanation:
This is the way I am being taught how to do it in my math class.. sorry if the answer is inaccurate ⊂(◉‿◉)つ...
1/2 x 32 x(55+46)