What is the product of the polynomials below? (7x + 2x+4)(2x+5)
A. 14x2 + 39X2 +18x + 20
B. 14x2 + 39 x +18x+9
C. 14x2 +39x2 + 2x + 20
D. 14x +39x2 + 2x +9
SUBMIT

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.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false