Mary buys a reel of thread for sewing. there are 10 m of thread on the reel. she uses 210 cm. how much is left on the reel in centimeters?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Ineed with math stuff it involves graphs

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.!