Joseph has a standard deck of 52 playing cards. What is the probability that Joseph will draw a Jack then a Queen with replacement?

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is