He has 420 cards. if you have 30 packs and 14 in each just 30*14
Answer:

Step-by-step explanation:
If the solutions are x=-4 and x=3, then it must have factors (x+4)(x-3). Assuming there is no GCF or leading coefficient other than 1, multiply with FOIL to find the standard form.

Answer:
if you divide it by 2, you would have 128 slices because 256 ÷ 2 gives you 128, and when you multiply 128 by 2 you get 26.
Step-by-step explanation:
$440.34 because 27 1/4 X 5.15 = $440.3375 rounded to nearest hundredth $440.34
Answer:
4,5,6,7
Step-by-step explanation:
-1 < x ≤7 , x > 3 means that 3 < x ≤ 7