which is the best estimate of the product of the fraction? 4/7×8/9×14/15 who ever answer right will be marked brainlest

Write the equation in logarithmic form e^x=403.429

Me i'm timed right now! a. (0,-5)b. (0,-3)c. (0,3) d. (0,5)

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)