(Placeholder because it won’t let me ask more questions until I answer some)
Answer:
2x + 4
Step-by-step explanation:
Let R = Ralph's age
and x = Sarah's age
Then Ralph's age in 4 years = R + 4
and Sarah's age in four years = x + 4
Thus, R + 4 = 2(x + 4)
Distribute the 2 R + 4 = 2x + 8
Subtract 4 from each side R = 2x + 4
Ralph's age is 2x + 4.
Answer:
Step-by-step explanation:
A={1;-6;1/2}
Answer:
very long question of the brainley
Answer:
question 11 - $20,020.83
question 13 - $97,200
Step-by-step explanation:
I=prt
I = 450 x 6% x 8
I=prt
I= 116.25 x 1550 / 9
