What is the value of x in the equation 4 x plus 8 y equals 40, when y equals 0.8?

4.6
8.4
10
12

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _

Identify the number as a rational or irrational.explai. 291.87

What integer is equivalent to 9 3/2