What is the expanded form of this number?

509.307

(5*100) + (9*1) + (3*110) + (7*11,000)

(5*100) + (9*10) + (3*110) + (7*11,000)

(5*100) + (9*10) + (3*1100) + (7*11,000)

(5*100) + (9*1) + (3*1100) + (7*11,000)

5.86x-31.94=27.51x-3.21 and show process 8th grade is killing me

Earned $4200 and earned $174 in interest if one earns 3.5% and the other 4.5 % how much was invested at each rate

Write a problem where the answer will equal 7. You must use at least 3 numbers and at least 3 different operations.

Total sales=$350,000 Commission of 2 percent for sales under $200,000 Commission of 3 percent for sales over $300,000

Thursday Every row and column must add to 24. Use only 4 through 12. be on

The parent function is f (x) = 2^x-6+3 and the new function is g (x) = 2^x - 3+2. How does the graph change from f (x) to g (x) ? Select each correct answer. The graph is shifted 3 units right. The graph is shifted 1 unit up.

Dennis thought of a number. He adds 0.5 to that number and then multiplies the new result by 4. He then subtracts 2 and divides the number by 2. His final answer is 48. What number did Dennis start with?

Melinda is itemizing deductions on her federal income tax return. Her AGI was $295,420 last year, and she contributed $148,160 to charity.

How do you write a ratio?

Solve the compound inequality 3x + 12 5. Show each step of your work.