The temperature in anchorage, alaska, was -6.4 degrees celsius. in four months the temperature will rise by two and one half times. what will be the temperature in four months?

Evaluate the expression for the given value of the variable 7a - 4a for a =8

In the diagram of circle o, what is the measure of zabc?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field