12 and 11.4 are 1 apart, so 12−11.4 must be 1.

Find the area of an equilateral triangle with a side of 6 inches

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the