Answer:
120 rounding
Step-by-step explanation:
Answer:
The toy airplane costs $72 more than the toy motorcycle. Hope this helps!
Step-by-step explanation:
$24 x 4 = $96
$96 - $24 = $72.
When the quadratic expression is x^2 +ax + ..., the binomial square will be
.. (x +(a/2)^2
You have a=-2, so the binomial square will be of the form (x -1)^2. You don't even need to work out the rest of it to know that ...
.. the 4th selection is appropriate.
