Which is the equation of the line that is perpendicular to y=−2x+1 and passes through the point (2, -1)? First to answer correctly gets brainliest!

Answer this question! 30 points and brainliest! only if you know the answer.

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?

The following numbers will result in a quotient that is less than 1 when it is divided by ? a.2% e. 1 and 2/3 b.x2 f. 1/5 c. 3/10 g. 7/15 d. 5/9