Sam bought 7 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 26 cards left. How many cards did sam start with?

four red boxes and two black boxes cost $40. Five red boxes cost $20. All red boxes cost the same. All black boxes cost the same. What is the ratio of the cost of a red box to the cost of a black box.

You have four bills that need to be paid this week. The electric bill is $182.17, the water bill is $92.55, the cell phone bill is $225.82, and the cable bill is $127.94.

If (x + yi) + 6=2, what is x+yi?

Benito has 6 dollars to spend. A sundae cost 3.25 plus 0.65 per topping. How many toppings can he order

From 12 teachers to 48 percent increase or decrease

Simplify [2 (cos 210 + i sin 210) ]^2

An online store is offering 15% off all items in your order. Before the discount is applied, the items in your cart are: shampoo for $6.35, conditioner for $6.35, granola bars for $12.50, dish soap for $13.40, and toothpaste for $2.50.

Classify the type of this chemical reaction: 2H2 (g) + O2 (g) → 2H2O (g) A) combustion B) decomposition C) neutralization D) synthesis

a cruise ship has a large, circular window. It has a diameter of 6 meters. What is the windows area?

Suppose y varies directly with x write a direct variation equation that relates x and y when y = 6 and x=12 then find the value of y and x=10