There are 25 Note books and 20 pens on a table. find the ratio of i) Number of pens to number of note books

ii) number of Note books to the total number of objects on the table

by objects I mean Note books and pens​

Agrocery store has 12 lb of trail mix that is 10% banana chips. the store's manager would like to add banana chips to bring the new mix up to 25% banana chips. write and solve a system of equations to find out how many pounds of banana chips manager needs to add.

What is the measure of the smallest angle in the diagram? 15 29 32 45

Asap will give brainiest to first person to answer what is the measure of angle b in the triangle? enter your answer in the box. m∠b=