the lenght of the picture is 14
Answer:
100 is grace's initial amount. w is how much of the substance is being decrased each week. in ryan's equation, 1 is 100% of the substance, so the initial amount, and 0.4 is the amount that is being decreased.
Step-by-step explanation:
30/8=3.75
So, you need 4 trays, since you can't have 75% of a tray.
Hope this helps
Answer:
not really hehehehehe
Step-by-step explanation:
x+7
------------------- =
x^2+4x -21
x+7
= -------------------
(x+7)(x-3)
1
= ---------- where x is not equal -7 and 3
x - 3
answer is A. first choice
