Answer: 
Step-by-step explanation:
As per the given scenario,
Total money Christina made = (Money she made in tips) + (Per hour wage ) x (Number of hours she work in one night) (i)
Let M is the total money she makes and h is the number of hours she works in one night.
Here, Money she made in tips = $ 50
Per hour wage = $7.50
So substitute all the values in (i), we get

Hence, the required function is
.
Answer:
30
Step-by-step explanation:
25 times 1.2= 30

Convert mixed numbers to improper fractions

Find de LCD for 4 and 8 :
Factor each denominator into its primes:


Find the least common denominator

Adjust fractions based on the LCD :

Since the denominators are equal , combine the fractions:



Therefore:
Convert improper fractions to mixed numbers

hope this helps!
Answer:
Z = a - 2i - 3ib
Step-by-step explanation:
The complex conjugate has the expression with the opposite sign for the imaginary part.
Complex conjugate of Z=a + 2i + 3ib is,
Z = a - 2i - 3ib
Answer:
<h2>18%</h2>
Step-by-step explanation:
Step one;
given
initial weight = 55 pounds
final weight= 45 pounds
Step two:
Required
the % weight decrease
% decrease= initial-final/initial *100
% decrease= 55-45/55 *100
% decrease= 10/55 *100
% decrease= 0.18 *100
% decrease= 18%