Describe in words the mistake of John in solving for the measure of each interior angle in a regular 13-sided polygon. What should be the correct measure? 180 ( n − 2 ) n n 180(n−2) 180 ( 13 − 2 ) 11 11 180(13−2) 180 ( 11 ) 11 11 180(11) 1980 11 11 1980 180 180

Add: (6x^2-5x+3) + (3x^3+7x-8) a. 9x^2+12x-5 b. 9x^2+2x+11 c. 9x^2+2x-5 d. 9x^2-2x+5

The first term of a sequence is -12. the recursive formula for the sequence is an = an-1 + 9. what are the next 3 terms in the sequence? a) -3, -15, -27 b) -3, 6, 15 c) -3, -6, -3 d) -3, -6, 3

There are 40 girls and 32 boys who want to participate in 6th grade intramurals. if each team must have the same number of girls and the same number of boys, what is the greatest number of teams that can participate in intramurals? how many girls and boys will be on each team?