Which equation has a graph that is a parabola with a vertex at (-1,-1)? y = (x - 1)2 + 1
y = (x - 1)2 - 1
y = (x + 1)2 + 1
y = (x + 1)2 - 1

Plz ! define the type of sequence below. -2,0,2,4,6 a. both arithmetic and geometric b. arithmetic c. neither arithmetic nor geometric d. geometric

Given: pb tangent pv, pu secants if m = 80° and m = 30°, then m 3 = 55 40 25

Mary and roberto bought identical backpacks at different stores. mary's backpack originally cost $65 and was discounted 25%. roberto's backpack originally cost $75 and was on sale for 30% off on the original price. which backpack was the better buy?