Solve the equations: 1.3x–2−(3.3x+5)=2x+1

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Use δjkl and δmpn to determine whether don's claim is true or false. which of the following should don use to prove the triangles are similar? sss sas aas aa