Achemist has 100ml of 25% acid solution. how much of the solution does she need to drain and replace with 70% acid solution to obtain 100ml of 60% acid solution?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Find the area of the unshaded square

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.