How many liters of the 20% acidic solution should be added to create the needed 30% acidity in the final mixture? 0.5 liters 30 liters 80 liters 37 liters

Write an introductory paragraph for this corrie ten boom and her family were faced with some difficult choices after hitler came to power. some family members paid the ultimate price. write a carefully thought-out paper of at least 200 words dealing with the following concepts: --how should a christian act when evil is in power? --what do you think it would be like to live in an occupied country? remember to proofread anything you write thoroughly.

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.