The answer is the last one (-5x7)!

now, it doesn't give us nice looking integers, so let's plug that into the quadratic formula.


Answer:
The equation below can be used to find the length of a foot or forearm when you know one or the other. (length of the foot) = 0.860 • (length of the forearm) + 3.302 If you let y = length of the foot and x = length of the forearm, this equation can be simplified to y = 0.860x + 3.302.
Step-by-step explanation:
Answer:
-17
Step-by-step explanation: