What is a Platonic solid

Just a quick math question. When converting 18 quarts into gallons, I would have to divide by 4 to get the answer which is 4.5, but why am I dividing by 4? Where did 4 come from?

Chris answered 61 out of 66 questions correctly on a test. What is his test average to the nearest thousandth

Ben's teacher asks him to write a three digit number that uses the digit 3 once and the digit 6 twice the value of one 6 needs to be 1/10 the value of the other 6 what number can Ben write Why

How do you write 9.6522x10^-14 in standard form

the admission fee at an amusement park is $20 for children and $35 for adults. on a certain day 247 people entered the park, and the admission fees collected totaled $6965. how many children and how many adults were admitted

What is a triangle called when it has one right angle?

Decide whether the number is a solution of the equation Is 5 a solution of 4f=25-f

Graphing linear equation x=-4

If one triangle is congruent to another then all its sides and angles would be same?

Fiona is trying to prove that a pair of expressions are equivalent by using substitution. Which pair of expressions has the same value if she substitutes y = 3?