A chemist needs to make 40 ml of a 25% acid solution. He has a 5% acid solution and a 30% acid solution on hand. If he uses the 5% and 30% solutions to creat the 25% solution, how many milliliters of each will he need?

The rectangle has an area of x square plus 15 square meters and a width of X plus 3 What expression represents the length of the rectangle

What is another way to write the expression p⋅ (10-2) ?

Fraccion equivalente 84/100?

Round each decimal number to the given place value. a) 5.38 to the nearest tenth b) 103.843 to the nearest hundredth

What does 74.8-34.62=?

The minimum monthly payment for Janice's credit card is 2% of her balance or $10, whichever is higher. If Janice's balance at the end of her last billing cycle was $820, what is her minimum monthly payment? A) $16.40 B) $10.00 C) $25.20 D) $5.20

Tessa buys a silver coat rack priced at $224. Shipping and handling are an additional 19 % of the price. How much shipping and handling will Tessa pay?

7, 9, 11, 13 ... Generalize the pattern by finding an explicit formula for the nth term.

What's the formula for the surface area of a cone?

In a study of a particular brand of laptop computer, one group of 9 batteries lasted an average of 17.8 hours before needing recharging, and a second group of 11 batteries lasted an average of 18.1 hours.