Alina puede nadar a una velocidad de aproximadamente 2.5 millas por hora. Talia puede nadar a una velocidad de 1.8 metros por segundo. ¿Qué afirmación que compara a los dos nadadores es precisa? 1 milla 1,609 metros

1) Alina nada aproximadamente 0.7 millas por hora más rápido que Talia.
2) Talia nada aproximadamente 0.7 millas por hora más rápido que Alina.
3) Alina nada aproximadamente 1.5 millas por hora más rápido que Talia.
4) Talia nada aproximadamente 1.5 millas por hora más rápido que Alina.

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Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Look at this system of equations. -3x + 3y = 12 y = x + 4 the solution set of this system is best explained by which of these statements? a) the graphs of the equations are the same line because the equations have the same slope and the same y-intercept. the system has infinitely many solutions. b) the graphs of the equations are parallel lines because they have the same slope but different y-intercepts. the system has no solution. c) the graphs of the equations are lines that intersect at one point because the equations have the same slope but different y-intercepts. the system has exactly one solution. d) the graphs of the equations are lines that intersect at one point because the equations have the same slope and the same y-intercept. the system has exactly one solution.

What is the area of the wall surface of a room that is 16’ x 18’ with 9 ceilings?