Ray and ella move their school library to a new building. ray packed 27 boxes with 25 books in each box. ella packed 23 boxes with 30 books in each box. how many more books did ella pack?

How many grams must be adde to 970g to make 1 and a half kg

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Atemperature of 1.64◦f corresponds to answer in units of ◦c.