Griffins's driveway is 30 feet long. Choose the word and number to complete the sentence correctly.

To convert 30 feet to yards
?
30 by
?
.

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

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.