Answer:
b. 45
Step-by-step explanation:
895 ÷ 19 = 47.1
47.1 rounded is 50, but since there is no 50 option, we'll just round it down to 45.
--
another way:
round 895 (900) and 19 (20)
divide:
895 ÷ 20 = 45
you'll get 45 either way :)
-3.8 - 0.5m <== ur expression
the variable (m) represents number of minutes
All you have to do is find the length of the sides using the distance formula and then add the lengths together to find the perimeter