Determine the density of the rock using correct significant digits. the mass of the rock is 25.69 g.
a) 0.856 g/ml
b) 1.285 g/ml
c) 2.57 g/ml
d) 3.6 g/ml

6.3x+14 and 1.5x-6 answer in simplified form

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.