Step-by-step explanation:
(12x - 19y) (12x + 19y) = 144x^2-361y^2
Write and solve an equation of ratios:
15 min 3 racks
---------- = -------------
x 36 racks
Solving this for x: 3x = (15)(36) => x = 180 minutes.
convert this into hours: 180 min 1 hr
------------ * -------------- = 3 hrs (answer)
1 60 min
Answer:I think it’s c
Step-by-step explanation:
Answer:
[-16 20 -24].
Step-by-step explanation:
4[-4 5 -6]
= [4*-4 4*5 5*-6]
= [-16 20 -24].
