Witch value of x makes the equation x + 7 = 21 true?

When converting from a whole number to a prefixed number,? the whole number by the value of the?

Subtract and simplify 1/2-1/3

Translate six less than seven times a number is equal to - 20 into an equation

Triangle XYZ is translated so that X' is that (4,-2) which rule defines this translation?

The area of a square is 100 square inches what is the perimeter of the square in inches

At a local University 54.3% of incoming first-year students have computers. If 3 students are selected at random, find the following probability. A) At least one has a computer B) None have computers

Which is more, 1 decimeter or 18 centimeters

Izzys dog is 10 1/2 years old. Car end dog is 18 months old. How many years older is Izzys dog.

You called Ticket Taker for local team football tickets. The tickets cost $94 and you will be charged a processing fee of 8%. How much is the fee? $0.75 $11.75 $9 $7.52

A triangle has side lengths of 4, inches, 10 inches, and c inches. Enter values to write an inequality that describes the possible values for c, the length of the third side of the triangle. ? < c <?