Which animals weight is closest to 1 pound? a) an ant b) a lion c) a mosquito d) a robin

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.

A. 120 degrees b. 90 degrees c. 30 degrees d. 60 degrees

What is the expression equivalent to (3x^2-7)