Write the expression (2−3i)+5i(1−3i)
as a complex number in standard 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.

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.