What is f(-5) for the function f(x) = -4x-3?

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?

If y varies as x, and y=8 as x=4 what will be the value of y if x=2

Ineed ! what is the connection between ratios, fractions, and percents? give an example with your answer.