Hello please help, thank you :))

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?