Which of the following does not have triangular faces?

A. Dodecahedron

B. Icosahedron

C. Octahedron

D. Tetrahedron

Jerry has 60 coins consisting of quarters and dimes. The coins combined value is $9.45. Find out how are quarters and how many are dimes.

Which of these four sets of side lengths will form a right triangle

Do the ratios 1/2 and 7/13 form a proportion

Cual es la diferencia 4/7 y 1/3

At a certain store, four cans of soup cost $5. What is the cost per can and the correct equation to find the total cost for any amount of cans of soup?

Can 40:70 be simplified?

Each week our school's team travels to other schools for competitions. Today the five members of the gymnastics team and seven weight lifters are on the way to our rival school for meet.

The Air conditioner unit in the classroom uses 120 volts. it requires 2000 watts of usage on the average, and it stays on for 8 hours every day.

3y+6y=9 how solve this

Sean spent $38 for shorts. This was $4 less than twice what he spent for a shirt. The equation 2x - 4 = 38 can be used to find the cost of the shirt (x). How much did Sean spend on the shirt?