Answer:
D. 65°
Step-by-step explanation:
it's a isosceles triangle so the angles of same length sides has same measure.
1. Is correct
2. x^2 - 12
3. 2 / (a-1)
Answer:
Total charge = 8.50x + 25.50
Step-by-step explanation:
You multiply the hourly charge($8.50) by the number of hours(x) and add the rental fee($25.50)
Answer:
John is 31
Ella is 25
Step-by-step explanation:
Let sister's age be x, then John's age is (x + 6). So from sentence 2,
(3x) - 2(x + 6) = 13
3x - 2x - 12 = 13
x = 13 + 12 = 25
and x + 6 = 31
