May someone answer me Q1. What is the solution set of 9x-4<13x-7

A. [1,2,3]
B. [1,2,3]
C. [0,1,2,3...]
D. [0,1,2,3]

Is the square root of 4 plus the square root of 16 rational?

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Need so much on this one how many yards?