Find the value of x when y=16 y=-5x+4

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?