This circle is centered at the origin, and the length of its radius is 10. What is
the circle's equation?
O A. x+y= 10
O B. x2 + y2 = 10
O C. x10 + y10 = 100
O D. x2 + y2 = 100

Find the domain of the following expression: 1/(√x)-2

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

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 = _