Which expression shows you how you can use mental math to simplify the expression (53 + 23) + 7 most easily? a. 7 + (23 + 53) b. (23 + 53) + 7 c. 53 + (23 + 7) d. 7 + (53 + 23)

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.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

What term makes it inconsistent y=2x - 4 ?