6. solve for b in the formula a = 2h(b + b)@ b=3h(b+a)® b=3h(a+b)© b=2a-8© b=zah

49xy +34y - 72z. determine the degree of the polynomial

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.

Multiply and simplify. 2x^2 y^3 z^2 · 4xy^4 x^2 i will mark you brainliest if right. show how you got the answer, !