Find the slope of the line through the points left parenthesis 0,0 right parenthesis and left parenthesis 3,12 right parenthesis. use pencil and paper. explain how you can use mental math to find the slope of the line.

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Let x = a + bi and y = c + di and z = f + gi. which statements are true?

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?