21 - 13.50= 7.50
so based on what your question is asking, Serena makes $7.50 more than Gabe per hour.
Answer:
The right answer is C
Step-by-step explanation:
<span>probability of getting 4 or 6 is 1/6 + 1/6 = 2/6 = 1/3</span>
Angle a = 60
given that all angles of a triangle added together must equal 180
x = -20
-20+80=60
do it again for the other angle measurement
60+60+40=180
therefore, angle A is 60°