A ruler measures length to the nearest 0.25 inches . Which is the most appropriate way to report length using this ruler

Sketch one cycle if the cosine function y=2cos2theta

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?