How to find the Volume of a prism?

Two lighthouses can be seen from the top of a hill. The frist flashes once every 6 seconds and the otherflashes once every 15 seconds. If they flash simultaneously, how long is it until they flash again at the same time?

Which is 2/3 of 18 A. 27 B. 8 C. 12 D. 6

The corresponding sides of two similar rectangles are 6 ft and 10 ft. The area of the smaller rectangle is 78 ft2. To the nearest whole number, what is the area of the larger rectangle?

Determine which equations below, together with the equation x-y=2, will form a system with no solutions. A. y=5 B. x-y=4 C. x+y=2 D. y+x=2

bisects ∠AEC. What statements are true regarding the given statement and diagram? ∠CED is a right angle. ∠CEA is a right angle. m∠CEA = (m∠CEB) m∠CEB = m∠BEA m∠DEB = 135° m∠AEB = 35°

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.