Two numbers have prime factorization of 2^3×3×5 and 2×3^2×5 which expressions will give the greatest common factor and the least common multiple?

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?