The ratio of the number of beads karen has to the number of beads patricia had was 2: 5.after patricia bought another 75 beads, the ratio became 4: 15. how many beads did each girl have at first

What is the inverse of the function f(x)=4x+8

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

If you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?