The value of the digit 8 in this number is 80. the value of the digit 7 in this number is not 7. the number is?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.