Anew battery's voltage may be acceptable (a) or unacceptable (u). a certain flashlight requires two batteries, so batteries will be independently selected and tested until two acceptable ones have been found. suppose that 80% of all batteries have acceptable voltages, and let y denote the number of batteries that must be tested.

42.4

step-by-step explanation:

convert to decimal

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²

no association

step-by-step explanation:

if you have eyes and you can use them efficiently you can see that it just looks like random dots like do a line of best fit and like they're so spread out it's such a weak association you might as well consider it nonexistent

d secondary market mark brainliest