the cost for children under 12 at a certain buffer restaurant is a base charge of a dollar plus 12 cents for each year of the childs age. Represent this cost as an expression, using y to stand for the childs age in yeas. then use the expression to find the cost for a child who is nine.​

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog