Please help!(fractions) if 2/3b is equal to 2/7, what is b (fractions)

Which math sentence can be used to determine if the triangle is a right triangle?

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?