Given that a*b = 2a - 3b, then 2*(-3) =

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Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.

Robert has 78 tomatoes and 56 cucumbers he wants to plant them in equal rows how many in each row

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