255 of the student's do not wear braces 31 of the 8th grade kids wear braces
there are 104 more 8th grade kid who do not have braces then those who do
three times as many 7th graders do not wear braces then those who do.​

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x