Which expression is equivalent to −1.3+(−4.9)+(−2.6) ? a −(1.3−4.9)+(−2.6) b −1.3−(4.9+2.6) c −1.3+(4.9+2.6) d (1.3+4.9+2.6)

Write an algebraic expression for the word expression the quotient of c and 8

Explain how you can use the associative property to evaluate (7x50)x4.

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?