Which expression is equivalent to the following complex fraction? 1 +
y
1
y
1 -
(+1)(-1)
y+1
y-1
o
y-1
y+1
y2
(y+10(y-17
Please help me

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.