9514 1404 393
Answer:
2
Step-by-step explanation:
The recommended way to multiply mixed numbers is to convert them to improper fractions. Where there are factors that cancel, this works nicely.

Answer:
$26,600
Step-by-step explanation:
$19,950 / $15 = 1330 tickets
1330 x $20 = 26,600
x^2 - 2x = 146
x^2 - 2x - 146 = 0
See attachment. The quadratic formula is needed in this case.
Answer:
either 81 or 81.8
Step-by-step explanation:
Answer:
- 5/2
Step-by-step explanation:
Arrange this line equation into y = mx + b form m = slope
y = 2/5x + 12/5
then perpindicular line = - 1/m = - 1/ (2/5) = - 5/2