A number, M, is rounded to 1 decimal place. the result is 9.4 complete the error interval for M​

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

For which pair of functions is (gof)(a)=|a|-2?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?