What did Samuel do wrong??? Samuel said 2.25 + 1.75 + 0.5 = 3.50 what did he do wrong? Choose.what he did wrong

(9x-5) - (x+12) what’s the answer and also explain how to do it i need it for a test tomorrow

What expression is equivalent to 42x-56y

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.