Factor: 36x^2-64

thanks!
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What is the length of the unknown leg in the right triangle ?

Look at attachment. has all info needed. need

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?