1) An automobile jack has an effort arm of 45cm. the resistance of the arm is 6cm. What is the mechanical advantage of the jack? 2) A force of 35N is used to push a suitcase a distance of 9 meters across the floor. How much work is being done?

3) A set of pulleys is used to lift a boat weighing 1765N. The boat is lifted 4 meters in 45 seconds. How much power is required?

Whats the name of the vertical axis

Suppose you are going to graph the data in the table. minutes temperature (°c) 0 -2 1 1 2 3 3 4 4 5 5 -4 6 2 7 -3 what data should be represented on each axis, and what should the axis increments be? x-axis: minutes in increments of 1; y-axis: temperature in increments of 5 x-axis: temperature in increments of 5; y-axis: minutes in increments of 1 x-axis: minutes in increments of 1; y-axis: temperature in increments of 1 x-axis: temperature in increments of 1; y-axis: minutes in increments of 5

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236