You drive 75 miles use 3 gallons of gas at the same ratio. How many miles can you drive on 12 gallons?

Laura has scored 75, 85, 81, 67, and 91 on her previous five tests. What score does she need on her next test so that her average (mean) is 77?

The scale of a model train is 4 inches to 30 feet. One of the cars of the model train is 6 inches long. What is the length, in feet, of the actual train car?

Which is greater 7cm or 3in

A building casts a 103 foot shadow at the Same time a flagpole that is 32 feet tall casts a shadow 34.5 feet long how tall is the building

Of the students at Milton Middle School, 153 are girls. If 45% of the students are girls, how many total students are there at Milton Middle school?

Find the volume of the triangular prism. The base of the triangle is 4cm and the height of the triangle is 6cm. The length of the prism is 3cm

Problem construct a triangle with interior angle measures of 60° and 60° let one of the side lengths beaten what are the length of the other side

Is - x^2 = 0 a quadratic equation?

A tree with a height of 12 yards casts a shadow that is 33 yards long at a certain time of day. At the same time, another tree nearby casts a shadow that is 20 yards long. How tall is the second tree?

A paleontologist uncovers a fossil of a saber-toothed cat in California. He analyzes the fossil and concludes that the specimen contain 15% of its original carbon-14. Carbon-14 has a half-life of 5730 years.