Kallie has $45.50 saved towards a new bike. If the bike costs $184.76 including tax, how much does she have to save each week to be able to buy it in 6 weeks? Kallie starts her solution but does not finish. 184.76 minus 45.50 = 139.26

Which equation would be the second step of this solution?
x = 139.26 divided by 6
x = 6 times 139.26
x = 6 divided by 139.6
x = 6 times 45.50

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

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Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?