I'm just helping you guys out. 8÷2(2+2)=16

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Write a corresponding real world problem to represent 2x - 125=400

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.