This is the beginning of Antoine's construction. What is he trying to construct? Select the BEST answer choice. (See Photo)

a. Perpendicular bisectors
b. Angle bisectors
c. Inscribed circle
d. Circumscribed circle

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

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

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?