Jackson has 8 gallons of water. He uses 1.38 gallons of water on his first day. How much water does Jackson have left?

Will give brainliest sum of arithmetic series (sigma notation) find the numerical answer to the summation given below. (image shown below)

Write a story that matches with the expression 42x-5 pls hurry

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?