Un panadero usó 1/2 de libra de harina para elaborar un pan, 1/4 de libra para hacer rosquillas y 1/3 de libra de harina para hacer galletas. Sí tenía 2 libras de harina, ¿Cuánta harina le sobró? Ayuda pls

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

What is perpendicular to y=-1/2x+11