Two students missed a lot of school. One student missed every 4 days and the other students missed every 6 days. In 60 days how many times will they miss school at the same time? LCM

Anyone know these questions? i need ,.

Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags

On which number line are -3 and its opposite shown