Solve the equation for x:
3x – 17 = 9x + 7
a x = 4
b x = –4
c x = 610
d x = −610

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Construct the graph that models the given situation

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse