Answer:
y = 1
Step-by-step explanation:
3 + y = 4
y = 1
Since the square root of 64 is 8, 8 has an absolute value, so it can be opposites as it, eg. 8 = -8.
Answer:
12
Step-by-step explanation:
Answer: look at the picture that the answer to it
Step-by-step explanation: Hope this help :D
Suppose he invest x dollars in one account, y in the other
x+y=12,500
0.042x+0.062y=669.50
multiple the first equation by 0.042: 0.042x+0.042y=525
subtract this new equation from equation 2: 0.02y=144.50
y=7225
x=12500-7225=5275