4. Find the HCF and LCM of 45 and 75 using prime factorisation.​

What properties allow transformation to be used as a problem solving tool

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.

During how many months was the difference between the number of days with homework and with no homework greater than 6?