Please tell asap A laptop was originally sold for $975. The laptop is now on sale for $828.75.
What is the percent markdown?

? %

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.!

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?

Explain how to graph a scatterplot and its regression line using a regression calculator.