Answer:
106 : 84
Step-by-step explanation:
53 : 42 = 106 : 84
The ratio is already in lowest terms so found I an equivalent ratio by multiplying both terms by 2.
Answer:
45
Step-by-step explanation:
The n th term of an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = 2 and d = 3 - 2 = 1, thus
= 2 + (43 × 1) = 2 + 43 = 45
Answer:

Step-by-step explanation:

Answer:
20 
Step-by-step explanation:
Just substitute it into the gradient formula which is: y2 - y1 / x2 - x1. So 2-3/2-9 = -1/-7 = 1/7