Answer:
a = 12
Step-by-step explanation:

Convert element into fraction : 3= 3/1

Cross multiply

Option D. However, despite its many utilitarian benefits, colleges have not always supported the study of philosophy.
Which choice most effectively sets up the information that follows?
- Despite philosophy teaching useful tools for academic and professional achievement, only 18 percent of the American colleges incorporated the course within curriculum, thus indicating their lack of support.
- Hence, Option D is correct. The other options do not express this condition.
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The base is the number that the exponent is attached to. So ten squared, the base is ten.
yw good luck
i did the three questions then i put some math notes in the bottom right corner
(x + 2)(x - 4)
= x^2 + 2x - 4x - 8
= x^2 - 2x - 8