Which of the following expressions represents 8 less than the product of 4 and a number is 58

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.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Askateboard ramp is in the shape of a right triangle what is the height of the ramp