A is aldult tickets
b is child tickets
b = 2/3 a
7a + 12b = 90
7a + 12 x 2/3 a = 90
7a + 8a = 90
15a = 90
a = 6; b = 4
To be honest I am not sure but maybe 32 because that is half or 96 but I was never really good with scales.
Answer: -8
Step-by-step explanation: because the formula is mx+b=y and the -8 is the b
Answer:
Option B.
Step-by-step explanation:
In the question the number categories on the spinner are not given.
Consider there are 5 different categories on the spinner.
A = Spinner land on "Action".
So, probability of land on "Action" is

Number of spins, n= 60 times
The expected number of land on "Action" is



Therefore, the correct option is B.
Answer: none of the above
Step-by-step explanation:
this is complementary angle meaning two angles have to add up to 90 degrees.
the only answer is 45 degrees which is not listed as an option so it is none of the above