Louisa paid $12.25 for books at a yard sale. she spent $2.50 on a hardcover book, and the rest 13 softcover books. each of the softcover books cost the same. what was the cost of a single softcover book?

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p

Given: m zade = 60° and m2cdf = (3x + 15) prove: x = 15