If $42,000 is invested at 7% in a savings account for 8 years, what is the final amount monthly and continuously?

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

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.!