6000 - 1800 = 4200
4200/4 = 1050
so she donated 25% to charity
A^2 - 6a/a-6 • a+3/a
a(a - 6)/(a - 6) • a+3/a
a • (a + 3)/a
a(a+3)/a
a+3.
The correct solution to this question would be B. a+3.
The only point which is a solution is C
Answer:
x≤10
Step-by-step explanation:
2x-15≤5
+15 (both sides)
2x≤20
divided by 2 (both sides)
x≤10