Rewrite the equation from intercept form to standard form: Intercept form: y =
(1 - 1)(x + 7)

If a • b*2 = 1.8 x 10*-7, and c•b/d = 7.2 x 10*-4, find the value of a•d*2/c*2

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

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