Select all that represent a proportional relationship. 6
х
5
y
3
4+
2
A.
3
B.
4.
2+
1+
6
0
1 2 3
4 5 6 7 8 9
8
6
6-
y
5
* نی
4
1
c.
3+
D.
6
N
2+
9
1
3
0
X
1 2 3 4 5 6 7 8 9
12
4

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

Me because some of question i don’t understand

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?