These Cant make any triangles
You don't need to have a scientific calculator to do such trivial addition.
Let us say, the numbers are "a" and "b"
their sum is -13
a + b = -13
their product is 40
a * b = 40
solve for "a",
what is "b"? well, b = 40/a :)
1 kg is equal to a little over twice the lbs. So if you have 75 kg it'll be over 150 lbs. Therefore 75 kg weighs more.
Answer:
(c + 7) ( c - 9)
Step-by-step explanation: