What is 1 + 1 hehehehe

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Find the domain and range of the following function f(x) = 51x - 21+ 4

(c) a vine called the mile-a-minute weed is known for growing at a very fast rate. it can grow up to 0.5 ft per day. how fast in inches per hour can the mile-a-minute weed grow up to? show your work using the correct conversion factors.