1.I don't understand what exactly to do on this one, can anyone help explain?If f(y) = [(the absolute value of y)+16], what is the value of f(-4)?

2.Same as above, what to do and what are they asking exactly?How many numbers from 1 to 100 inclusive are equal to some integer to the fourth power?

3.I can try to guess and insert random numbers to figure out this one but what's the faster way(some sort of equation?).Minoo had a dinner party and was serving cups of earl grey tea and cups of chamomile tea at a ratio of 5 to 1. Then one of the guests arrived late and started drinking chamomile tea to soothe her nerves after a bad day she had 3 cups, which changed the ratio of earl grey cups and chamomile cups to 5 to 2. How many cups of tea did Minoo serve in all?

4.Again, not sure what to do.3^n = 3^2(n). What is the value of n?

5.

Same as above.If b is positive, what part of 4b is 8?

Answer:

a. 4%

b. b/100%

c. b/4%

d. 4/b%

e. 200/b%