Sarah thinks of a positive number she calculates that the square of the number is 256 what is the square rootof the number

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

One integer is 8 times another. if the product is 72, then find the integers