A barrel of oil was filled at a constant rate of 6.5 gal/min. The barrel had 10 gallons before filling began.

In which form is the following function written? y = - 2(x – 3)(x + 5)

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups