Is this Long multiplication?
I think its b because of its relation to the base
Answer:
the length is 8cm???
Step-by-step explanation:
its kind of obvi (i Think)
If it's -4+8, -4 is 4 less than 0. 8 is 8 more than 0, also 4+4. so -4+4 would be zero, then there's 4 more and 0+4 is 4
Now, assuming is a vertical parabola, so the squared variable is the "x", let's do some checking.