There are 3 yellow, 5 red, 4 blue, and 8 green marbles in a bag. Once a marble is selected, it is not replaced. Find the probability of selecting a yellow marble and then a blue marble. Group of answer choices

1/100

12/20

3/5

3/95

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

The bake stars picked 907 apples last weekend at a local orchard they made caramel apples and sold them in the bakery in trays of 6

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.