If a given water sample contains 10 parts per million phosphorus, how many grams of phosphorus would a liter (1,000 g) contain

Solve for x, given the equation Square root of x plus 9 - 4 = 1. x = 16, solution is not extraneous x = 16, solution is extraneous x = 34, solution is not extraneous x = 34, solution is extraneous

the first term in a geometric series is 64 and the common ratio is 0.75. find the sum of the first 4 terms in the series

If licorice cost $6.59 a pound how much would it cost to buy a quarter pound of licorice

What is the following product? 3√10 (y^2√4 + √8y)

Factor the following expression completely. 9y^4 - 4x^6

The Science Club has 35 members, 10 girls and 25 boys. What is the ratio of girls to boys in the Science Club? A. 2:1 B. 2:5 C. 5:2

The cost of petrol rises by 2 cents a liter. last week a man bought 20 liters at the old price. This week he bought 10 liters at the new price. Altogether, the petrol costs $9.20. What was the old price for 1 liter?

1. Which equation represents the linear graph? A) y = 2x - 4 B) y = 2x + 4 C) y = 4x - 2 D) y = 4x + 2

Mary has $500 in her account. She makes a $350 withdrawal, deposits $100, and then gets charged a $20 fee. How much does she have in her account? A) $180 B) $230 C) $290 D) $340

A function g (x) has x-intercepts at (1/2,0) and (6,0). Which could be g (x) ? g (x) = 2 (x + 1) (x + 6) g (x) = (x-6) (2x - 1) g (x) = 2 (x - 2) (x-6) g (x) = (x + 6) (x + 2)