What is the value of the expression 6x (2.2+12.8)-4

The amount of energy it takes to lift a box might be a function of which of the following

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

The measure of an angle is 117°. what is the measure of a supplementary angle?