Which three-dimensional object can be formed by rotating a rhombus about one of its diagonals?

shape 1

shape 2

shape 3

none of these

Model the sum of 2.5 and 2.8

A scale drawing has a scale of 3 in : 1 ft. What is the scale factor?

A and B are two cylinders that are mathematically similar. The area of the cross-section of cylinder A is 18cm². Height of A is 5cm. Height of B is 10cm. Work out the volume of cylinder B

A bird that was perched atop a 15 1/2 foot tree dives Down 6 feet to a branched below. How far above the ground is the birds new location

Millie, josh and liberty recieve a bonus at work they are paid in ratio of 2:3:4 josh's share is £105 what was the total amount of the bonus before they shared it?

A lot is in the shape of a triangle. The shorter leg measures 60 m. The hypotenuse is 20 m longer than the length of the longer leg. How long is the longer leg?

Greater than or less than 88% or 0.9

The money used in Saudi Arabia is the Riyal. The exchange rate is 4 Riyals to 1 dollar. How many Riyals would you receive if you exchange 5 dollars?

How do you solve - 140=18+4 (5y-2)

How many neutrons does element X have if its atomic number is 38 and its mass number is 92?