Answer: 45
Step-by-step explanation: To divide this start with finding how many times 585 goes into 13 which is 0. I put a picture for you to look at.
Answer:
a = b*4/7
a-b/b
=4b/7 -b /b
=(4b-7b)/7 /b
=-3b/7 / b
cancelling b,
= -3/7
Answer: 90 seconds or 1 min. and 30 sec.
Step-by-step explanation:
72/4=18
18x5=90
2+2(6^2)
=2+(2)(36)
=2+72
=74