un comerciante vendio pantalones de mezclilla a dos precios distintos, unos a 450 pesos y otros a 360 pesos. si obtuvo un total de 33390,¿cuántos pantalones vendio de cada precio?​

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.