Can someone help ? ( I'll give brainliest)

What is the measure of sty in oo below? 130 310 230 50

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)

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