Cost to store : $56 markup: 80% { find the selling price }

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 ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis