An Olympic gold medal has the diameter is 8 cm what is is area

The school that Arjun goes to is selling tickets to the annual dance competition. On the first day of tickets sales the school sold 7 senior tickets and 1 student ticket for total of $101.

cell phone company A charges $20 per month plus $0.50 per text message. cell phone company B charges $10 per month plus $0.07 per text message. is there any number of text message that will result in the exact same charge from companies?

Number 3 what do you do? Also can you show how you did it

Use Gauss-Jordan elimination to solve the following linear system. -x + 6y = 20 -x + 3y = 8 A. (-2,-2) B. (3,2) C. (4,4) D. (0,5)

A ___ is obtained by dividing the population into groups and selecting all individuals from within a random sample of the groups.

Which sentence explains the correct first step in the solution of this equation? 4 (x-3) = 9

Determine whether the variable is qualitative or quantitative. number of flights

If the sum of a number and nine is doubled , the result is eight less than the number. Find the number.

3 (5b-2) and 8b-5 are they equivalent

Solve the problem - x^2-3x+1 = 0