Determine whether the statements are always, sometimes, or never true. if a statement is always true or always false, explain why. if it is sometimes true, give an example of when it is true and when it is not true.
(a) the square of a rational number is a rational number.
(b) the square of an irrational number is an irrational number.
(c) the square root of a rational number is a rational number.
(d) the square root of an irrational number is an irrational number.

the least value out of the data shown is 5, maybe if you post a picture with it i could a little more.

step-by-step explanation:

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.