Can someone help me solve this really quick please?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

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.