3. Polygon QRST has vertices Q(4 1/4,2), R(8 1/4,2). s(8 1/2,-3 1/2)and T(4 1/4,3 1/2)Is polygon QRST
a rectangle? Justify your answer.

What is the value of x? enter your answer in the box. photo attached.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.