Seven people are seated in a row. they all get up and sit down again in random order. what is the probability that the two people originally seated at the two ends are no longer at the ends after they sit down again

9 times 27 + 2 times 31-28 = n what is the value of n

What is the value of (3x-2y) ^2

What is the value of the expression |x + y| when x = - 8 and y = - 13? A. 21 B. -5 C. 5 D. -21

1.7million to 3.1million is what percent increase?

Convert the measurement of an angle from degrees to radians and radians to degrees.

64 movie tickets are sold. 5/8 of the tickets were for adult admission. How many adult admission tickets were sold? 24 tickets 52 tickets 40 tickets 320 tickets

Shelley receives supplies for her sno-cones business weekly. She usually works concession at four events a week and averages sales of 190 sno-cones at each event. With her supplies cost at $0.

How is the decimal 1.7 expressed as a percent?

Determine whether the quantitative variable is discrete or continuous. number of interceptions made by a defensive back is the variable discrete or continuous? a. the variable is continuous because it is not countable. b.

Given a quadratic function, f (x) = ax 2 + bx + c has a positive leading coefficient and the vertex that has a y-coordinate of zero. Determine the number of real zeros of the function.