It took mary 1.5 hours to bicycle 39km. then she slowed down and took another 3 hours to bicycle 51 km more. find her average speed for the trip.
(total 8 points; 4 points for the answer, 2 points for the units labeled and 2 points for work shown or explanation)

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Analyze the graph of the cube root function shown on the right to determine the transformations of the parent function. then, determine the values of a, h, and k in the general equation. y=a3x-h+k h= . k= done 000000l o 7 of 8

If chord ab is congruent to chord cd, then what must be true about ef and eg?