The price of n tickets to a concert is 8n + 9 dollars. What is the cost in dollars for 7 tickets to the concert

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons