Pens cost $1.50 each at a school store. Graph a line that represents y, the cost, in dollars, of purchasing x pens at the store.
Help me pleases the graph is in the picture

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?

What is 140 squared pleas me i am dumb