Answer:
(16a+72)/4 = 4(4a+18)
(16a+72)/8 = 8(2a+9)
Step-by-step explanation:
A. B.
The package weighs 30 ounces.
Step-by-step explanation:
Mailbox Plus charges;
Charges per ounce = $0.25
Let,
x be the number of ounces.
M(x)=5+0.25x
United packges charges;
Charges per ounce = $0.35
U(x) = 2+0.35x
Cost will be same when the functions are equal;
M(x) = U(x)

Dividing both sides by 0.10

The package weighs 30 ounces.
Keywords: functions, division
Learn more about division at:
#LearnwithBrainly
Answer:
A
Step-by-step explanation:
if the rule is (-x,y) then that just means the x changes
(3,-2) changes to (-3,-2)
12 ten dollar bills and one 5 dollar bill. just divide 125 by $10
Convert all to decimal
82%=0.82
86%=0.86
91%=0.91
74%=0.74
Add them
3.33
Divide by 4
3.33/4= 0.8325 will be your mean