Which equation represents a hyperbola? 4x2 + 3x + 4y2+ 5 = 0 2x2 – 5xy + 4y2 + 10x – y + 12 = 0 3x2 - 6xy + 3y2 + 5x – 2y + 1 = 0 3x2 + xy - 9y2 + 2x + 5 = 0​

The production line where you work can assemble 5 appliers every 30 minutes at this rate how long should it take the line to assemble 125 amplifiers

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

The cost of a taxi ride includes an initial charge of $2.00. if a 5km ride cost $6.00 and a 10km ride cost $10.00, determine the cost of a 15km ride.