What is half-lenght?

Is a 2-cm block of gold has less mass than a 2-cm block of silver? What lets you draw an irregular line such as a circle around an area of the screen? Angle C equals 90degrees in a right triangle ABC if a equals 50degrees and c equals 80degrees find angle b.? What is 75 percent as a fraction in its lowest terms? How do your write a check for twenty five hundred and and forty three dollars? How many prime numbers are there that less than 150? How do you write out one thousand kilobytes? What is the scientific notation of 1459000000? What is superlative of steady? How many months are in three weeks? What is the definition of a number added to another? How do you write an numerical expression for negative 9 increased by 24? What is the ratio 5.9 to 1000 simplest form? What two consecutive numbers are in the square root of 90? What are the factors of 2358? What is 0.533 in numerals? Factor 3ab plus a plus 3b squared plus b? What does 180 degrees Fahrenheit convert to into Kinetic? How many yards are in 60 square feet? Who is number 97 in NASCAR?