Mr and mrs lim took their 2 children to the bird park. an adult ticket cost 4 times as much as a child’s ticket. mr lim paid a total of $120 for all tickets. what was the cost of a child’s ticket?

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.