Two planes, which are 1965 miles apart, fly toward each other. Their speeds differ by 55mph. If they pass each other in 3 hours, what is the speed of each?

Find the power series expantion of f(z)=log(4=3z) at the point z=-1

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.