Solve for $2\left(1-\frac{1}{2}\right)+3\left (1-\frac{1}{3}\right)+4\left(1-\fra c{1}{4}\right)+\ldots +10\left(1-\frac{1}{10}\right)=?$ Hall please

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip