On Jason’s vacation, he hired a guide for $50. Jason wants to tip the guide 10%. How much will Jason have to spend?

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?