How to understand piecewise functions

What is 15/1 x 3/10=in fraction

The area of a rectangular wall of a barn is 240 ft.². It's length is 4 feet longer than twice it's width. Find the length and the width of the wall of the barn

The height of a right cylinder is 3 times the radius of the base. The volume of the cylinder is 242 What is the height of the cylinder? 2 units 4 units 6 units 8 units

If your expenses are more than your income, then you have a positive net cash flow. true or false

Danny has a 15-foot board that he wants to use as a motorcycle ramp. If Danny wants the end of the ramp to be 4 feet off the ground, what angle will be formed between the board and the ground? Round the answer to the nearest whole degree.

Solve for y. Y_Y+3 ž = 8

A rule for creating a pattern is given below. The rule begins with a number called the input and creates a number called the output. Rule: Multiply the input by 666 to get the output.

Let (2x-12) degrees represent the measure of an acute angle. What are the possible values of x?

What is the measure of the angle whose supplement is four times it's compliment?

We were assigned this worksheet today and I don't really understand it.