The sum of Joy's age and her brother's age is 24. Her brother's age is 3 years older than twice Joy's age. What is the difference, in years, between Joy's age and her brother's age?

George's container was partially full. Then he added 177 milliliters more liquid to the container. Now the container has a total of 266 milliliters of liquid. How much liquid was in the container before George added more?

Multiply 6+2i6+2i and it's conjugate. Simplify.

Which statement is true? Question 10 options: A) |13| = - 13 B) - |13| = 13 C) |-13| = 13 D) - |-13| = 13

Simplify 4n 5 + 3.5n 5 + (-2.1n 5). a. 20n5 b. 6.4n5 c. 5.4n5 d. 4.4n5

What is 2% of 200? Remember, part over whole or is over of is equal to % over 100. Set proportions two rates and solve it using sumbrero or other methods

A quadratic equation in form ax2 + bx + c = 0 cannot have: a. one real solution. b. one imaginary solution. c. two real solutions. d, two imaginary solutions.

The pH of solution A is 2.4 , while the pH of solution B is 9.4. (a) What are their hydrogen-ion concentrations? (b) How many times greater is the hydrogen-ion concentration of solution A than that of solution B?

Which equation has a variable term in the equation - 6 + 2X = 6x - 9

On may 31, the cash account of bottle's r us had a normal balance of $5,000. during may, the account was debited for a total of $12,200 and credited for a total of $11,500. what was the balance in the cash account at the beginning of may?

When ringing up a customer, a cashier needs 8 seconds to process payment as well as 1 second to scan each item being purchased. If it takes 11 seconds to ring up a customer, how many items are being purchased?