Answer:
90 or 85
Step-by-step explanation:
it is a right angle, and all the sides must add up to 180 degrees so yes, 85, im pretty sure.
Answer:
457657657.2
Step-by-step explanation:
(762762762/5)*3=457657657.2 miles
4/5 and 40/50 are both equivalent
Answer:
First one
Step-by-step explanation:
The first one
y = 6.6 (1/2 ) ^n where n = the number of half lives
42 days/ 14 days/halflife = 3 halflives