3r + 2(12r + 7) ≤ 5r – 8 i don't understand

Need ! easy 6th grade work! i will put as much points as i can! you so much! i’m learning this in math and it’s soo

What’s the domain of this function? fastttt

An empty bucket is placed under a faucet dripping at a constant rate of 4 milliliters per minute. with the given information, which of these statements is a reasonable conclusion? a there will be 24 milliliters of water in the bucket after 16 hour. b there will be 60 milliliters of water in the bucket after 14 hour. c there will be 160 milliliters of water in the bucket after 20 minutes. d there will be 100 milliliters of water in the bucket after 40 minutes.