Pls answer will give brainliest 2 questions number of books 4 6 8 cost ($) 30 45 60 what is the constant of proportionality? 2 7.5 15 30 number of jackets 2 5 7 total cost ($) 46.50 116.25 162.75 what is the cost of 3 jackets? enter your answer in the box. $

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!

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?