What is 409,200,000,000 written in scientific notation

Choose a variable to isolate and what it is equal to in the system of equations below. 3x = y+4 4y = 3x-1 A. 2y = x-1 B. y = 3x+3 C. 4y = 3x-1 D. y = 3x - 4

The owners of a waterpark are taking a survey to determine how many trips to the park kids in the area take during the summer. they take a survey of kids entering the park on a monday. is this a good sampling method?

How many solutions does this equation have - 10x+3=5x-27

Evuluate the algebraic for the given value of each variable xy-5 at x=5,=2

Allen Tennis Inc. pays its employees on a piece-rate basis of $0.25 for each tennis ball they produced. Boris Becker produced 2,664 Tennis balls. What was his gross pay?

What is 5/2 + 7/4 = to?

Solve the inequality -5 (x - 1) > - 40

In the school election, votes were cast for sam, mary, and bill in the ratio of 4:3:2. if a total of 2178 votes were cast, how many votes did mary receive?

How much greater is the volume of the large truck than thr volume of the small truck

18. What is the area of a piece of garden plot 5 yards 2 feet long by 6 yards 1 foot wide? Give your answer in square feet. O A. 270 square feet O B. 49 square feet O C. 323 square feet O D. 70 square feet