A sumos only allowed to change its depth by rising toward the surface in 60 meter stages it starts of at -480 meters how many stages will it take to return to the surface

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !

Idon't want to fail summer school.the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table.the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.