Jill flipped a coin 40 times. the coin landed as heads 28 times and tails 12 times. based on her results, which of the following is true?

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?

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.