Plz help , thanks su much

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)