The track team is trying to reduce their time for a relay race. First, they reduce their time by 2.1 minutes. They are able to reduce that time by 1/10. If their final time is 3.96 minutes, what was their beginning time? HEL

Answer is 15.7 minutes.

Step-by-step explanation:

I hope it's helpful!

answer: 48

just remember to use pemdas:

parentheses

expressions

multiplication

division

addition

subtraction

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.