A tank holds 50% of a mixture of acid in water that is 30% acid if 20 gallons of gas are added to the mixture what is the percent of acid in the mixture

leila's fish tank has 17 liters of water in it. she plans to add 4 liters per minute until the tank has atleast 45 liters. what are the possible minutes leila could add water

Which are sums of perfect cubes? Check all that apply. A=8x6 + 27 B=x9 + 1 C=81x3 + 16x6 D=x6 + x3 E=27x9 + x12 F=9x3 + 27x9

Using the formula R equals D/T where D is the distance in miles R Is the rate T is the time in hours at which rate must you travel to cover 212.5 miles in 2.5 hours?

Solve 12: (-2) x 3 - (-2)

Rewrite each sum as a product. Then identify the number of terms in each expression

What is 8.02 rounded to the nearest hundredth?

There are approximately 39.97 inches in 1 meter. How many meters are there in 240 inches

What does it mean to evaluate an expression

Determine, to the nearest tenth, the surface area of a tin can with a radius of 10 centimeters and a height of 12 centimeters.

assume that random guesses are made for 9 multiple choice questions on an SAT test, so that there are n=9 trials, each with probability of success (correct) given by p=0.6. find the indicated probability for the number of correct answers.