How would I set up an equation for this problem?

"The cost per month of making n number of wooden toys is C = 3n + 30. The income from selling n toys is I = 6 n. How many toys must the company make to get a profit?"

What is the solution set for the open sentence with the given replacement set? 2x + 7 = 19, {4, 5, 6, 7} A. 4 B. 5 C. 6 D. 7

Find the axis of symetry of X^2+2X+1

After a new $28,000 car is driven off the lot, it begins to depreciate at a rate of 18.9% annually. Which function describes the value of the car after t years? C (t) = 28,000 (0.158) t C (t) = 28,000 (1.575) t C (t) = 28,000 (0.

1 1/4 + (3 2/3 + 5 3/4)

What is the slope of the line described by the equation y = - 2x - 4? The slope is m = The solution is

B and a win some money and share it in a ratio of 3:4 person b gets 39 how much does person a get?

Jessa bought 15 pieces of ribbon each piece of ribbon was 2.25 yards long what isbthe total amount of jessa bought

On Friday, the With-It Clothiers sold some jeans at $25 a pair and some shirts at $18 each. receipts for the day totaled $441. On Saturday the store priced both items at $20, sold exactly the same number of each item, and had receipts of $420.

Avery had 82 Girl Scout cookies. 10 cookies fit onto a plate. How many full plate of cookies will avery have?

How many real number solutions does the equation have? 0=-4x^2+7x+8 No Solutions One Solution Two Solutions Infinitely Many Solutions How many real number solutions does the equation have?