Cody tells Gordon that he is thinking of a number between 10 and 30 the clues he gave are (a) that the sum of the digits is 9 and (b) that the number is odd. What correct answer did Gordon give?

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of