Ihave $26 in your pocket you purchased x pen at 3.50 each you now have 8.50 in your pocket write and solve an equarion to find the number of pens purchased

Simply 8x squared + 5(7x squared- x) - 2x =

M∠abc=138° and m∠def=31° . which statement is true about ∠abc and ∠def ? a: the angles are neither complementary nor supplementary. b: the angles are complementary. c: the angles are supplementary.

Adan has decided to purchase an $9000 car. he plans on putting 20% down toward the purchase and financing the rest at 7.9% interest rate for 3 years. find his monthly payment a) $225.29 b) $298.81 c) $204.78 d) $236.89