Apolynomial expression is shown below. (8x4 - 3x2) + (x2 - 5)(qx2 + 5) the expression is simplified to 42x2 - 25. what is the value of q? a. -16 b. 8 c. 16 d. -8

If you answer right ill give brainliest, : )

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

Determine if the equation defines y as a function of x: 2xy = 1. yes o no