A theater has 56 rows of seats. If there are 13 seats in the 1st row, 17 in the 2nd, 21 in the 3rd, and so on, how many total seats
are there in all? Need work

Ac contractor is building a new subdivision outside of the city. he has started work on the first street and is planning on the other streets to run in a direction parallel to the first. the second street will pass through (-2,4) find the equation of the location of the second street in standard form. a.2x+y=2 b. x-y=2 c.2x+y=2 d.x+y=2

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?