You would first look at the tens place numbers; 10 and 30. and add them together making 40. after that you'd take the ones places and add them together; 7 and 8. add those together and you'd get 15. to finish you just need to add the two numbers together 40 and 15.
Answer:

Step-by-step explanation:



Answer:
11 Minutes
Step-by-step explanation:
$30 - $28.24 = $1.76
$1.76/ 0.16 Cents /minute = 11 Minutes
Answer:
-2(5x-7)
Step-by-step explanation:
Factor until each factor is linear