What is the sum of the given polynomials in standard form?

(x2 – 3x) + (–2x2 + 5x – 3)

a –3x2 + 8x – 3
b –x2 – 2x – 3
c 3x2 – 8x + 3
d –x2 + 2x – 3

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount