Solve and show the work for this; 4/5 + 5/6+7/2

25 PTS! 3 students have gotten 3 different scores on a test, their scores were 87%, 75%, and 90%. Those 3 students want to know the average score for them.

How many regular triangles in a square

Exit a spinner used for a game is divided into 3 sections: yellow, green, and orange. janie spins the spinner 20 times. the spinner lands on green 8 times. what is the experimental probability that the spinner does not land on green?

A group of 6 friends want to share 8 pears evenly. All of the pears are the same size. How many pears should each friend receive? Explain how the friends should cut the pears and divide them.

A locker combination has three nonzero digits, and the digits cannot be repeated. The first two digits are 1 and 2. What is the probability that the third digit is 3?

Solve for m: (5m-3n) / q=f

Solve 49x^2+64=0 by using square roots

Simplify the algebraic expression. y2 + 11y - 6y + y2

What is the answer to 2/4=/2

Six less than 5 times a number is 24, i just need the equation