For which equation is -1 NOT a solution? O -4y+7=11 O b/2-5=51/2 O 19+p=18 O 40+4=0

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have