For what values of a is the sum of the fractions 2a−1/4 and a−1/3 positive?

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

Write the pair of fractions as a pair of fractions with a common denominator

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3