Reuben has scores of 70 75 80 83 on four Spanish quizzes. What score must he get on the next quiz to achieve an average of at least 80?

What s the ratio of wings to beaks in a flock of birds

Find the difference between 1.97 and 20

Solve this problem 2a-3 = (-5)

What is the inverse of the function below? f (x) = x - 4

140=2x+2y in standard form

Pranav's school is selling tickets to a play. On the first day of tickets sales the school sold 8 adult tickets and 4 child tickets for a total of $80. The school took in $64 on the second day by selling 6 adult tickets and 4 child tickets.

The phones at Century Cellphones vary in price depending upon demand. The average phone has a built in camera and costs x dollars. Phones with both a camera and an MP3 player are 35 dollars less than twice the cost of the phones with just the camera.

What is the solution of this linear system? 3x + 5y = - 1 2x - 5y = 16 A. (-3, 2) B. (-3, - 2) C. (3, - 2) D. (2, - 3)

116 is 35% of what number

if a and b are distinct integers such that ab<1 and b ≠0, what is the greatest possible value of a/b