If you are solving for c you need to divide both sides of the inequality by -5 so c< (or equal to) -30/-5 or c<(or equal to)7
The level of radioactivity in the soil is decreasing by a factor of 1/2 each month
Answer:305
Step-by-step explanation:
Answer: 16
Step-by-step explanation:
2x3x2+4
6x2+4
12+4
16!
540ml with 12% solution
get 12% of 540
540 times 0.12 = 64.8 ml of pure acid