Circle t has diameters rp and qs. the measure of ∠rtq is 12° less than the measure of ∠rts.

what is the measure of qp?

If lmn=xyz, which congruences are true by cpctc? check all that apply

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Which number completes the inequality? 2/3 < _ < 7/9