Every week, Petra saves of the money she earns at work. Last week, she earned $60 working. This 4 1week, she saved $10 more than she saved last week. How much did Petra earn working this week?

Sera sells t-shirts at the beach. she believes the price of a t-shirt and the number of t-shirts sold are related. she has been experimenting with different prices for the t-shirts. she has collected a data set with five pairs of data; each consists of the price of a t-shirt and the number of shirts sold. the independent variable, which will go on the x-axis, is . the dependent variable, which will go on the y-axis, is the