Observe the expression below and select the true statement(s). 3y(7+2x)+9xy-10 the "(7 + 2x)" in the first term is a factor. the "9" in the second term is a coefficient. the "x" in the second term is an exponent. the "2" in the first term is a constant. the "3y" in the first term is a factor. the "10" in the third term is a coefficient.