32 cm 3
.....................
Answer:
121
Step-by-step explanation:
3x+4=7x
8x+4=12x
12+7 19
140°-19
Answer:10
Step-by-step explanation:5(7)9(7)
D , 3 ;Use the order of operations, parenthesis, exponents, multiplication, division, addition, subtraction (PEMDAS).
(7-2)^2
5^2
25 (numerator)
3^4
4+81-10
85-10
75 (denominator)
25/75
3

The appropriate choice is ...
... D. 7 19/21