Without looking, selects two socks from a drawer which contains four blue, three white and five black socks, none of which are paired up. What is the probability that he chooses two socks of the same color?

Draw two possible rectangles for each perimeter of 20 units

A car is purchased for 16,000. Each year it loses 20% of its value. After how many years will the car be worth 4,400 or less?

What is the length of the diagonal of a box with dimensions of 4x12x3

Two scientists are measuring lava temperatures. One scientist records a temperature of 1725°F. The other scientist records a temperature of 950°C. Which is the greater temperature? (Use C = 5 - 9 (F - 32).)

Tom sells cellphones for $45 a phone. Sam sells tablets for $149 a tablet but he is not making any profit yet because he still needs to pay off his order of $4992. when will the two guys make the same money? How much money will they both have?

How much is $3,204 plus $79,402?

Mario has b books. After receiving 5 new books for his birthday, he had 18 books

Danny's 7 friends contributed an equal amount of money to buy him a birthday present. The present cost $84. How much money did each friend contribute?

How much will a saver earn in 10 years on a $100 deposit that earns 5% compound interest (compound annually) ?

Distributive property: Example: 6 (2x - 3) = 12x - 18 "Combine like terms" means 3x + 4x = 7x. But we cannot add 3x + 4. Simplify, don't solve for x, just simplify, write it with only one x and no parenthesis: 2 (4x - 1) + 3x =