Answer:
15x + 60y
Step-by-step explanation:
It just seem right cause u didn't give us a lot of information to find out
(35 + 47 + 42 + x) / 4 = 50
(124 + x) / 4 = 50....multiply both sides by 4, cancelling the 4 on the left side.
124 + x = 50 * 4
124 + x = 200
x = 200 - 124
x = 76 <===
Answer:
C is not in scientific notation
Step-by-step explanation: