What is the probability of drawing a diamond from a standard deck of cards on a second draw given that a diamond was drawn on the first draw and replaced?

What are the sotions to the quadratic equation 9x^2=4

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?