Which expression calculates the time in hours an object takes to travel 38 miles at a speed of 2 m/h ?

38+2

382

38−2

38⋅2

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

What is the number 321,000,000 in scientific notation? also what is the number? ?