Tina saves 10% by picking up her pizza rather than having it delivered. She orders 3 large pizzas and each costs $12.45. How much will she save on her total bill by picking up her order?

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible