A train travels 16.8 km in 25 mins. find the speed of the train in (i)km/h (ii) m/s.

How do you determine whether a relationship represented as as graph is linear or nonlinear

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

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.