How do I subtract 6.45 from 81.3

Find the equation of the circle in standard form for the given center (h, k) and radius r: (h, k) = (5, 4), r = 2 (x - 5) 2 + (y - 4) 2 = 4 (x + 5) 2 + (y + 4) 2 = 2 (x + 5) 2 + (y + 4) 2 = 4 (x - 5) 2 + (y - 4) 2 = 2

20 minutes before noon

How do you come up with the number 6 using a math equation that includes - 2,-3,-4 and 5

Library officials in a library find that too many people aren't returning their books on time. Thus, they made a new rule in which their patrons pay 1 cent for the first day the book is overdue, 2 cents for the second day, 4 cents for the third day

Darlene needs 20% down payment for the house she is buying. The house costs $66,000. How much money does Darlene need for the down payment

If f (x) = 3x^2+x-2, then f (-2) =

Julie spent 2/3 of an hour running and 5/6 of an hour swimming. How much longer did she swim than run?

Find all unique zeros of the function fix) 8x - 64x + 160x - 128-

132,554 round to nearest tenth

How many solutions are in the equation 16 (x+2) - 8=16x+24