The sum of the digits of a certain two-digit number is 7. reversing its digits increases the number by 9.

Which number produces a rationale number when multiplied by 1/5

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12