X/(b-c)=y/(c-a)=z/(a-b) then x+y+z=?

225/100 of last years cost. write each fraction as a decimal and as a percent

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

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.!