Answer:
14+28i
Step-by-step explanation:
Number 15 is c and number 16 is a
Answer:
John has $21.
Step-by-step explanation:
Let John's "wealth" be w. Then 2w+8 = 50, or 2w = 42, or w = 21.
John has $21. Eight more than twice this is 42+8 = 50, as expected.
Answer:
-18root7
Step-by-step explanation:
-3root 84*3
-3root4*7*3*3
-3(2*3)root7
-18root7
Answer:
h=
Step-by-step explanation:
1.) You must isolate the h from the equation by dividing both sides by L (or multiply by its reciprocal, which in this case, the reciprocal on L is
.....So it would look like:

2.) Simplify the equation if you need to (in this case, its not needed)

That's your answer :)