Hi i need help with these questions thank you!

5 quarters are flipped simultaneously. How many ways can 2 coins land as heads and 3 coins land as tails? Submit Question List all two-digit numbers that can be written using only the digits 2, 4, and 5. List the numbers separated by a comma, but make sure that there is no comma after the last number. (That results in marking the answer as wrong). A) If repetition of digits is allowed: B) If repetition of digits is not allowed: How many 4-digit numbers are there? And if repetition of digits is not allowed? Dante wants to rent a car. He has narrowed his choices to a sedan, a compact, or an economy car. The colours available are black, red, or white. He may also choose between a standard and an automatic transmission. The number of options that Dante has is In a group of 8 students, there are 5 females and 3 males How many different 6-member committees are possible if there are no restrictions? How many different 6-member committees are possible there must be exactly 2 girls? How many different 6-member committees are possible there must be at least 1 girl