Cristina uses a ruler to measure the length of her math textbook. she says that the book is 4/10 meter long. ise her measurement in simplest form? if not, what is the length of the book in simplest form?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Multiply and simplify. (x - 4) (x^2 – 5x – 6) i will mark brainliest if your answer is right. show how you got the answer. if your answer is correct but does not show how you got the answer you will not be marked brainliest.