What is the answer to 29.24 ÷ 3.4⋅0.045

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

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.