May you please Simplify this for me

|7−10|

Write a description of each inequality. 1. -5a + 3 > 1 2. 27 - 2b < -6 (this < has a _ under it) 3. 1/2 (c + 1) > 5 (this > has a _ under it)

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

If the tip varies directly with the number of guest which equation represents between the tip, t, and the number of guest, g?