A drone costs $300 plus $25 for each set of extra propellers. What is the cost of a drone and 4 extra sets of propellers? (a) Write a function that will show the cost.

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Match the one-to-one functions with their inverse functions.