2. Two of the roots of x4 + ax3 +(a+3)x2 + 16x+b=0 are 1 and 3. Find the values of a and b and the other roots.​

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9