A wise woman once said ,”400 reduced by twice my age is 262”. What is her age ?

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.