Select ALL the correct answers. Observe the expression below and select the true statement(s).
4r + 9 – y(6x + 7)
The "7" in the third term is a coefficient.
The "9" in the second term is a constant.
The "Y" in the third term is a factor.
The "6" in the third term is a coefficient.
The "X" in the first term is an exponent.
U
O
The "4" in the first term is a constant.