Iwill give brainliest select all that apply. zack is taking a test in which he answers questions at a rate of 1/2 question per minute. if q represents questions and m represents minutes, which of the following equations describe this rate relationship? a. q = 1/2× m b. m = 2 × q c. m = 1/2× q d. q = 2 × m

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample