Answer:
The option on the top right.
Step-by-step explanation:
Because this is to be done asap, I will not take time to explain.
I am guessing Jack is 51 and Lacey is 17.
Answer:
7.
Step-by-step explanation:
21 = 3 * 7
28 = 2 * 2 * 7
42 = 2 * 3 * 7
Collecting common factors:
t is common to all 3 sets of factors so
HCF = 7.
Answer:
245
Step-by-step explanation:
-6 cows produce 35 gallons
6 x 7 =42
so 7 x 35 = 245