The letter tiles shown below are in a bag. without looking i am going to draw one tile.

what are my chances of not drawing a blue a?
answer choices:
a. 0.6
b. 0.25
c. 0.15
d.0.75

number of letter tiles:
1: red o
1: red i
1: green p
1: green a
1: red s
1: blue l
2: blue a's

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

The total number of dental clinics total for the last 12 months was recorded

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min