Solve 14x2 + 42x + 70 = 0. a) 1 plus or minus i square root 11 b) the quantity of negative 3 plus or minus i square root 29 all over 2 c) the quantity of negative 3 plus or minus 2i square root 29 all over 2 d) the quantity of negative 3 plus or minus i square root 11 all over 2

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.