The ratio of bill's money to henry's money was 5 : 6. after bill spent $800 on a tv set, the ratio became 1 : 2. how much money did henry have?

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

Select the correct answer. in the figure, angle k measures 45°. what is the measurement of angle c? a. 38° b. 45° c. 90° d. 98°

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?