Answer:
a=20
Step-by-step explanation:
7+13=20
20-7=13
Its a multiplication by -3 on each term, so I think you're gonna answer is by r=-3, maybe?
Answer:
(2,-2) and i think the absolute value might jus be i
The history museum is less that 9 4/5 miles. 9/10 means that the 9 3/4 mile is broken up into 10 equal parts and the distance to the museum is only 9 of those parts. 9 3/4 (9.8) divided by 10 equals 98/100 (.98)
98/100 x 9 = 882/100 or 8.82
Justin's house is 8.82 miles from the museum.