Answer:
38 and 108
Step-by-step explanation:
2a + 6b
2 (4) + 6 (5) Plug in values
8+30 = 38
12a + 60
12 (4) + 60 = 108
Answer:
v
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
3 is in the positives while the -6 is in the negatives, and the positives are always greater. :)
It would take 6

hours or 6.25 hours if John uses the 100 watt pump.
Answer:
PL and LM
Step-by-step explanation:
The definition of perpendicular is two lines that create a 90 degree angle. There are a lot of those in a rectangular prism. One of them is PL and LM, because they intersect to create a right angle.