Answer:
12/3 which is =4
Step-by-step explanation:
for adding fractions you keep the denominator the same and just add or subtract the numerators
2+11-1=12
Answer:
Angles 2,5, and 6 are all 138.
Angles 1,3,4, and 7 are all 42.
Explanation: 180-138=42
An= -16 + (n-1)7
an= -16 + 7n - 7
an=7n -23
When the rate of change is 7
{a1 = 16, a2=-9, so the rate of rate of change is 7}
A 25% discount.
Discount = 25/100 Price
New Price = 75/100 price
Old Price = New Price + Discount.
