Is 1,2,3,4 a geometric sequence ?

According to the normal model, what percent of receivers would you expect to gain fewer yards than 2 standard deviations below the mean number of yards

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.