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The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30