Which number rounded to the nearest hundred is zero 94 68 52 or 31

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.