Emma has 18 flowers and 30 white flowers. she wants to split them into vases in equal groups. what is the largest amount of groups she can make? (explain)

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither