Answer:
19.
Step-by-step explanation:
PEMDAS.
3^2=9
5 x 2 + 9
10 + 9 = 19
Answer:
1, 2.2, 5.5, 10.2.
Step-by-step explanation: these are simplified to the nearest tenth
84 miles.
You just have to take half of 56 (28) and add it to 56 to get 84
5.2+4.8= 10
So it has to be 20 I think