A 20% acid solution is mixed with a 70% acid solution to get 50 liters of a 40% solution.

Which of the following expressions is equal to 4 (50)

A. 0.2x + 0.7y

B. 2x + 7y

C. X+Y

Look at the two lines graphed below. Which is a true statement about the slopes of lines 1 and 2?

Ron buys a lawnmower for $1,500. The salesperson says the value will depreciate about 30% per year over the next few years. However, his neighbor says it is likely to depreciate about $300 per year.

For 12 days, Keisha keeps track of how much water she drinks per day. Results are shown below. 1 1/2 quarts, 2 1/4 quarts, 2 quarts, 1 1/2 quarts, 1 3/4 quarts, 1 1/2 quarts, 1 1/4 quarts, 2 quarts, 2 1/4 quarts, 1 1/2 quarts, 2 quarts, and 1 1/2

A person must pay $ $ 7 to play a certain game at the casino. Each player has a probability of 0.04 of winning $ $ 11, for a net gain of $ $ 4 (the net gain is the amount won 11 minus the cost of playing 7). Each player has a probability of 0.

Steve washed 15 cars in 3 hours. how many cars can he wash in 7 hours?

Which is the equation of an asymptote of the hyperbola whose equation is (x-2) ^2/4 - (y-1) ^2/36 = 1

What is the distributive property of - 4 (x-5)

A Circus charges two dollars and 50 Cent for kids tickets and six dollars for adults tickets. Last weekend, twice as many kids attended the circus than adults. If the ticket sales total $7150, how many kids attended the circus?

Spencer picked 85 pears. Gwen picked p fewer pears than Spencer. Write an expression that shows how many pears Gwen picked. Type an asterisk (*) if you want to use a multiplication sign and a slash (/) if you want to use a division sign.

8 was subtracted from a number. Then, that difference was multiplied by 2, after which that result was divided by 11. If the result was negative 2 what was the initial number