How many times will he get heads and tails when flipped 8 times?

Melissa's birthday is next week and she has been receiving cards in the mail with different amounts of money. She has received five cards with the following amounts $10 $20 $25 $30 $40.

Sally and mabel had the same number of cards at first. after sally sold 18 of her cards, mabel had four times as many cards as sally. how many cardsdid each girl have at first?

The temperature decreased at a constant rate for 12 hours. If the temperature dropped a total of 18 degress over thoes 12 hours, what was the hourly change in temperature?

The difference of a number t and 7 is greater than 10 and less than 20. Write this as an inequality?

Cal's go cart has a gas tank with the dimensions shown below. He uses a gas can that holds 1 gallon of gas, to fill the go cart tank. 1 gallon = 231 inches cubed. How many full gas cans will it take to fill the go cart's gas tank?

How do you simplify 28 over 56

Factor the polynomial using the pattern. x2 + 15x + 56

What is - 4.65 as a fraction?

Alice wants to fence in a rectangular play area for her rabbits. The length of the area should be at least 20 ft, and the distance around should be no more than 100 ft.

Suppose that you borrow $2000 from a friend and pay back $3600 in 4 years. What simple interest rate will you pay?