Nell made a secret code. each code word has 2 letters. each word begins with a consonant and ends with a vowel. how many code words can nell make with 3 consonants and 2 vowels

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Which of the following is correct interpretation of the expression -4+13

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