Answer:y=4x+33
Step-by-step explanation:
y-9=4(x+6)
Clear brackets
y-9=4x+24
y=4x+24+9
y=4x+33
Answer:
1215 minutes are the possible numbers he has used his phone in a month.
Step-by-step explanation:
He has a monthly fee of 14$ then to the least that he has been charged we need to substract the monthly fee as follows:
Monthly charged = 74,75-14
Monthly charged= 60,75$
Then he pays an additional 0,05 $/minute of use, to know the consume:
Minutes= 
Minutes= 1215 possible numbers of minutes he has used his phone.
Answer:
x²-10×+25=16
ײ-10×=16-25
×(×-10)=-9
but if your question is rather 2x-10×+25=16
then here goes the answers
2x-10×+25=16
-8×=16-25
-8×=-9
×=9/8
×=1¹/8
If they have to be different then
10 numbers total
9*8*7=504 ways
1/504
if they can be same numbers
9*9*9
729
1/729