What is the area of a circle with a diameter of 21 centimeters?

A bottle of the medicine contains 0.5 kilograms of the medicine. One dose of the medicine is 20 grams for a child and 45 grams for an adult.

Suppose that the x-intercepts of the graph of y = f (x) are 6 and 5. What are the x-intercepts of y = 3f (x) ?

Nancy drove from New York to Boston, a distance of 1144.97 km. She drove with a friend for the first 711.5 km, and then by herself for the remaining distance. How far did Nancy drive by herself? A. 433.47 km B. 1855.47 km C. 1856.47 km D. 333.47 km

Write an algebraic expression for the word phrase. 30% of m

In a survey 27% of the people chose salads over meat dish and in all 81 people chose Salads. How many people were in the survey

4. What is the solution to the equation 2 ^ (x ^ 2 + 2x) = 2 ^ - 1

Tony has 7/8 of a candy bar. he wants to split the bar into servings that are 3/10 of the bar. how many servings can he make?

The sun is about 93x10 to the power of 6 miles from earth what this distance written as a whole number?

A pet store has 1118 fish in 43 different fish tanks each fish tank holds the same number of fish how many fish are in each tank to find the answer divide

9/25 of students ride a bus. 19/50 students walk to school. What's the fraction of students ride the bus or walk to school