Find the interest earned and the total cost for each given principal, interest rate, and time. Please solve the questions and show your work please. A) $3,000, 4.25% 8 years
B) $5,400, 6%, 3 years

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?