Sarah's age is four more than twice her brothers age. Write two equivalent algebraic equations that can be used to find their ages.

For each of these triples, find if they could be the lengths of the sides of a right triangle. A) 3, 4, 5 B) 0.5, 1.2, 1.3

chris is on a vacation at a lake house for the weekend and decided to rent a canoe for the day. they charge $10 service free plus $38 per hour and he can spend at most $200 how many hours can he rent the canoe

Determine the general solution: sin 2x=-1/2

Solve the proportion for the variable given. 4 / (v+10) = 6 / (v+6) A) - 1.8 B) - 18 C) - 5.1 D) - 2 Answer is B) - 18 (Not asking, just informing)

Let f (x) = 4x+1 and g (x) = 3/4. evaluate each expression symbolically. a) (f+g) (4) b) (f-g) (1/4) c) (fg) (5) d) (f/g) (0)

Round 421,906 to the nearest hundred thousand and to the nearest thousand

Jill arranged her baseball cards in 4 rows of 9 cards then she arranged the cards in 2 rows of 18 cars how many other ways can Jill arrange her baseball cards in equal rows

4, 16, 13, 52, 49, 196, 193, 772, _ What comes next?

What's 1 fourth of 1490

25 more than 50 as an expression