Answer: after 3 days
Step-by-step explanation: Step-by-step explanation: The sister has to pay rent which is $60 which means she has negative $30 in three days the sister would have earned $60 and in 3 days the brother would have earned $60
A and b are perpendicular meaning that they intersect forming 90
b and c are parallel meaning that the intersection of c and a is also perpendicular
11x - 9 = 90 degrees
solve
11x - 9 = 90
add 9 to both sides
11x = 99
divide both sides by 11
x = 9
Hope this helps
Answer:
Step-by-step explanation:
48 the GCF is 20
49 the GCF is 9
50 the GCF is 2
51 the GCF is 6
First you multiply 2and3/8 by 4 and which you will get 3 then you subtract 23 and 3 and get 20
