Metodo de sustitucion e igualacion

3x+2y=12

4x-2y=2

Is 7 + square root of 5 equal to square root of 5 plus a number, what do you know about the number? Why?

What is the surface area of a cube that has side lengths of 5.5 inches

1. A sample is being chosen for a survey to find out how people feel about adding more stop signs near a school. Which group would be least biased? A. voters B. drivers C. students D. teachers

Factor completely 648x^3+375

Given: x - 5 > - 2. Choose the solution set. x R, x > - 7 x R, x > - 3 x x R, x > 7

What's (-1.15) * 3.2=? Explain = )

Ramon jogged for 2/3 hour. Crystal jogged for 1/2 hour. How long did they both jog.

If Heather is weekly pay is directly professional to the number of hours she works at this record store her pay is $174 for 24 hours of work find amount of payment for 40 hours of work

1/8 of Tony's books are mystery books he has 3 mysetry books how many books does tony have in all

Barry's pet turtle, Turtlelini, escaped from his backyard. Barry found Turtlelini by the creek and wanted to determine how far Turtlelini had walked. On the map, Barry's house is 0.6 inch from the creek. If the scale on the map shows that 1.