Step-by-step explanation:
step 1. the 3rd side of a triangle must be less than the addition of the other two sides
step 2. 3 is not less than the addition of 1 and 2
step 3. no. this cannot be a triangle.
Answer:
I think B by I'm not sure
Step-by-step explanation:
I'm not good with this subject
Answer:-2x^2+3x-7=0
Step-by-step explanation:
Answer:
m=-3
Step-by-step explanation: