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

Hassan bought a package of tofu. the temperature of the tofu was 14° celsius when hassan put the package into the freezer. he left the tofu in the freezer until it reached –19° celsius. which expressions explain how to find the change in temperature, in degrees celsius, of the package of tofu? select three that apply.