A negative times a negative is always a positive so the answer would be positive.
Answer:
$69.50
Step-by-step explanation:
.60 + .60 + .60 + .60 + .60 = 3
72.50 - 3 = $69.50
Answer:
2persent
Step-by-step explanation:
because there are 10 10 in 100
Answer:
MN-27
Step-by-step explanation:
the formula will be
NL×ML=KL^2
so substitute to get
24x=432
x=18
MN- 2x-9=2×18-9=27
Answer: a. 
b. $900
c. $150
Step-by-step explanation:
Given: The value of laptop decreases $150 each year .It means it is a linear function.
If after 2 years the laptop is worth $600.
Then the original value of laptop=
Now, Let V be the value of the laptop x years after it is purchased.
Then
will be the required equation .
To find the value of the laptop 5 years after it is purchased, put x=5 in the equation, we get

Thus, the value of laptop after 5 years = $150