In ms. perron's class 75% of the students are boys there are 18 boys in the class what is the total number of students in ms. perron class

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9