Which expression is the completely factored form of x6−64y3? (x2−4y)3

(x2−4y)(x4+4x2y+16y2)

(x2+4y)(x4−4x2y+16y2)

(x2−4y)(x4−16y2)

Hello everybody. can anybody me come up with detailed study plan on what topics to study from algebra 1 & 2, trig, and any other topic nesscery for success as a new beginner in pre-calculus. i dont have much math history but the basics. this will greatly me.

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?