Whats the answer 100 x 88.353

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

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?

Pls never taught i’m really confused and i rlly need