Answer:
$1296
Step-by-step explanation:
the markup is 700 so add that to the 500, then sales tax adds 96
I believe it is 56 because 7•8 is 56 and 1•56 is 56
Answer:
x=10,−10
simple, it could be negative OR positive :D
Answer:
D = 51, other = 30
Step-by-step explanation:
d = | 5 1 |
|-1 10|
D = (5 x 10) - ( 1 x -1) = 50 + 1 = 51
| 2 4|
|-3 9|
(2 x 9) - (4 x -3) = 18 + 12 = 30
