What is the least common multiple of 4,5 and 12 ?

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.