1. -5^3-4^3
2. -15-64
3. -79
Answer:
The coefficient is 3, the number right before the variable.
Answer:
1.5 hours to 525 km
Speed in km/h=

Step-by-step explanation:
XD
Answer:
<em>$195</em>
Step-by-step explanation:
15a + 12c
5 adults and 10 children means a = 5 and c = 10
15a + 12c = 15(5) + 12(10) = 75 + 120 = 195