Select the x-coordinate of the vertex of the parabola defined by the function f(x) = -5x2 + 7x + 6.
answers are:
-5/7
6
7/10
-7/5
need answer
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What is the greater volume 72 quarts or 23 gallons

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance