It takes mr. been 90 seconds to walk up an escalator when it is not moving. it takes mr. been 60 seconds to go up, just standing when the same escalator is moving. how many seconds does it take mr. been to walk up the moving escalator?

If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?

Adeposit of 5500 at 6% for 3 years equals