A doctor prescribed a patient 50 shots by 2 ml of 30% magnesium injections. There are only 25% and 50% magnesium solutions available. How much of each should be mixed to get necessary amount of 30% solution? Show full equation please . I really need help

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Are the corresponding angles congruent? explain why or why not.

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?