The bill total would be $140 because there are seven people (6 friends+Jacob) and each payed $20. (7)(20)
The answer is 19.6 cm^2
you should find the height of the triangle by heron formula: it will be 9.8
so the area is

good luck
To find 10,000 more than 6,310, you add; so the answer is 16,310
Answer:
The height of the cactus is three times the height of the gate
The gate is 3 feet tall