Answer:
A, D
Step-by-step explanation
A
2^2 = 4
4^2 = 16
D
2^2=4
2^4 = 16
7x + 12 = 47
7x = 35
x = 5
Answer: -50
Step-by-step explanation: (5-10) then multiply the answer by 10
25+24= 49coins 49÷2.5 is 19.5 so there are 19.5 dimes in the bag I believe