Derek states that the expression 4(a+6) is equivalent to the expression 20+4a+4. is derek correct? show the proof that derek is right or wrong! explain how you determined whether or not the two expressions were equivalent

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

Does anyone know how to do geometryme with this problem

Evaluate the expression. (9 + 5)(3 + 2)0