What number would need to be added to both sides in order to complete the square? 4x² — 40x + 12 = -12

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.

What is the circumference of the pie