Answer:
Option C is correct.
Step-by-step explanation:
We are given the expression:
The value of a =5 and k = -2
Putting the values and solving
Option C is correct.
Answer:
see explanation
Step-by-step explanation:
A
note from the table that the cost increases by $15 for each package, then this is the multiplier for the cost.
let n be the number of packages , then
cost = 15n
B
to find the cost of 7 packages , substitute n = 7 into the rule
cost = 15 × 7 = $105
Answer:
Step-by-step explanation:
x=81
63+36+x=180
99+x=180
99+81=180
y and z both equal 81
13+y+z=180
180-13=167
167/2 is 83.5
13+83.5+83.5
13+167
180
Answer:
$114.80
Step by step explanation