How much salt should Ilya add to 810g of water to make 10% solution? How much solution will he make?

Before driving on an expressway, you should: A. Figure out what exit you'll be using B. Have your tires rotated C. Remove everything from your trunk

Let xy = z, where x, y, z and nonzero numbers. If x is multiplied by 3 and z is divided by 3, this is equivalent to multiplying y by A. 1/9 B. 1/3 C. 1 D. 3 E. 9

The expression x3 - 64 can be written as (x) 3 - (4) 3. What is the factorization of x3 - 64? a3 - b3 = (a - b) (a2 + ab + b2) (x - 4) (x2 + 4x + 8) (x - 4) (x2 + 4x + 16) (x - 64) (x2 + 64x + 16) (x - 64) (x2 + 64x + 4,096)

What are the solutions of - x2 + 4x = x - 4?

On friday, 39,212 fans attended the baseball game at a major league baseball park. On saturday 41,681 attended and on Sunday 42,905. How many more fans attended on saturday and sunday than friday?

Find the next three terms of each sequence 2,6,18

Data was collected on the average winter temperature and the number of days with snow of a random group of cities in the United States.

What is x + 1 = 1/2x + 2

Answer to the problem ryan is thinking of a number. when he multiplies this number by 6 and then subtracts 15 from the answer, he ends up with his original number. what number is ryan thinking of?

Three times the difference of a number x and seven is twenty-three minus the sum of three times a number x and two. what is the value of x?