It takes francisco 15 minutes to ride his bicycle 4km ,which is the distance from home to school . what is the average speed

Identify the parent function that can be used to graph the function f(x)= (1/4x)^3

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of