M-7<6
add 7 to each side
M-7 +7 < 6+7
M < 13
this is true for all values of M less than 13
-k-(-8k+7)
Distribute the negative sign
-k+8k-7
Combine like terms
7k-7
Nothing further can be done with this equation so the answer is: 7k-7
Answer: There are 2 batteries which he can buy with his earnings .
Step-by-step explanation:
Since we have given that
Selling price of cans at the recycling center = $0.40 per pound
Number of pounds of cans he sold on Monday = 16.2
Number of pounds of cans he sold on Tuesday = 11.8
Total earning of Samuel is given by

Now, cost of battery =$5.60
So, number of batteries he can buy is given by

So, there are 2 batteries which he can buy with his earnings .
Answer:
Step-by-step explanation:
circumference= pi * diameter
diameter= 2 * radius
circumference= pi *2(5)
c= 10pi
Hello,
Answer B since
(y=-3x+4)* 3==> 3y=-9x+12 which is the second equation ==>infinity many solutions.