Answer:
In order, they would be:
-4.45 min, -1.8 min, -(1 + 2/3) min, -1.375 min
Step-by-step explanation:
Enjoy :)
Answer:

Step-by-step explanation:

The formula of perimeter of the rectangle:

Substitute:


When discriminant >0, then it contrains 2 distinct real zeros.
Discriminant=6 and 6>0 so, you have 2 solutions.
Answer:
$ 68.
Step-by-step explanation:
Original price 100
reduce price 15% ( leaving it at 85% of original price ) = 100 * .85
reduce it further 20%
100 * .85 * .80 = $ 68
Not sure but it’s probably 8
12 divided by 1.5= 8