Alexander writes a ratio out of 18 as the decimal 0.22222222. Choose the number that shows the decimal represented as a fraction. 2/10

22/1000

2/8

2/9

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?