Brandon decided to make his own hand sanitizer. To be effective, hand sanitizer should contain 60% alcohol. 1. How much water does Brandon need to make 250 ml of hand sanitizer?

2. If Brandon uses 120 ml of pure alcohol, how much hand sanitizer can he make?

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap

Find the multiplicative inverse of 8-12i

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.