Answer:
15
Step-by-step explanation:
Answer:
A. When Katina has $280 in her bank account, 4 months have passed. Plug 4 months into Malorie's bank account equation:
a = 50(4) + 100
a = 200 + 100
a = $300
B. Malorie's bank account changes at a greater rate. Katina's bank account amount increases by $20 each month, whereas Malorie's bank account increases by $50.
Ex: month 5
Katina has 300, 20 more than the previous month.
Malorie has 350, 50 more than the previous month
Answer:
C. 
Step-by-step explanation:
Given


Required
Equation of line
Let m represents the slope of the line;
m is calculated as thus




By substituting the right values in the formula above;
becomes

Multiply both sides by 





Reorder

Hence, the equation that represents the line is 
Answer:
Kasey paid: $13.50
Sue paid:$10.60
Togethee they paid: $24.10
Step-by-step explanation:
Convert the sales tax percentage to a decimal by moving the decimal point two places to the left or you can divide it by 100.
This should give you .06
Multiply .06 with the original cost before sales tax.
Add this amount to the original cost to get your answer
The circumcenter is also center of the triangles circumcircle. i'm not 100% but if this is one of your answers then i hoped this helped!