A spherical balloon has a circumference of 21 cm. What is the approximate surface area of the balloon to the nearest square inch?

jessica and josh are selling entertainment books to raise money for the art room at their school. One book sells for $20. Jessica received the prize for selling the most books in school. Jessica sold 19 times more books than joseph.

Write the ratio 41 to 100 as a percent

Is one half equal to 7/12

True or false? to find the area of a sector, you multiply the area of the circle by the fraction of the circle covered by that sector

What is the solution to the inequality? -9x-15<3 A. x<-2 B. x<2 C. x>-2 D. x>2

Round 1.51 to the nearest one

Whch is bigger 3 km or 5000 m

Can you guess this mystery author? Clue#1 He was born in England Clue#2 He was in the British Army during World War 1.

A fishing boat was out to sea for 6 months and traveled a total of 8578 milesin the first month the boat traveled 659 miles how many miles did the fishing boat travel during the remaining 5 momths

What is 3/4 + (-7/4) ?