Answer:
you must use alltitude or hight
Step-by-step explanation:
Altitude or height
I think we need a trapazoid
4 I think because you subtract all since it's 60 min
Answer:
Slope of function B
Step-by-step explanation:
Answer:
3d - 4f
Step-by-step explanation:
(12d + 28f) - 5f - (27f + 9d)
12d + 28f - 5f - 27f - 9d
(12-9)d + (28-5-27)f
3d - 4f
don't forget to put bracket, it is fundamental