Kennedy is making bracelets to give to her friends. she wants to put 20 beads on each bracelet. beads are sold in packages of 25. what is the least number of packages she can buy to make necklaces and have no beads?

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days