The amplitude is 2 hope this helps
Answer:
c=-5
Step-by-step explanation:
2c-3=12-2c+7c
2c-3=12+5c
2c-5c-3=12
-3c-3=12
-3c=12+3
-3c=15
c=15/-3
c=-5
Answer:
D. 10^10
Step-by-step explanation:
Multiplying numbers with exponents rule : 
explanation of rule : we simply keep the bases the same and add the exponents.
10^3 • 10^7
keep the base as 10 and add the exponents

Keep in mind that this only works when the bases are the same.
Ans: -4.3
Integers are all whole numbers negative, positive, and 0
Hope this helped :)
4 2/3 * 11 1 /4
change to improper fractions
4 2/3 =(3* 4+2)/3 = 14/3
11 1/4 = (4* 11+1)/ 4 =45/4
14/3 * 45/4 = 630/12
105/2
52 1/2