Mario walks 7 blocks east from his home and arrives at his favorite restaurant. when he arrives, he discovers that he dropped his wallet along the way. he retraces his steps for 5 blocks until he finds his wallet. an expression for how many blocks east mario is from his home after finding his wallet is the sum 7 plus or(minus−5). how many blocks east is mario from his home after finding his wallet?

78.59 is the mean

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.