What is the discriminant of the following quadratic equation?

x2-5x-14 =0
/ \
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This is supposed to be “X squared”

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Me. i can't figure out this question. give an explanation too. .

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28