Letr1 and r2are the remainder when the polynomial x^3+2x^2-ax-7 and x^3+ax^2-12x+6 are divided by x+1 and x-2 respectively. if2r1+2r2 find the value of a

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.