A friend is tested to see whether he can tell bottled water from tap water. There are 60 trials (half with bottled water and half with tap water), and he gets 39 right. a. Determine the null hypothesis. b. Determine the alternative hypothesis.

2. angles qrt and qst both measures 156 degrees.

step-by-step explanation:  

we have been given a diagram of a circle and we are told that measure of arc qvt is 156 degrees.  

we can see from our given diagram that angle qrt and angle qst subtends to arc qvt.

since we know that angles subtended by the same arc at the circumference are always equal.

by angle subtended by same arc theorem, measure of angle qrt and angle qst will be equal to the measure of arc qvt.

therefore, angles qrt and qst both measures 156 degrees and 2nd statement is the correct choice.

35-60 students are taking math.

40 x 50 = 2000

step-by-step explanation:

answer is b

step-by-step explanation: