The anwser for NO.4 is (2X+5)(2X-5)
64 = 22 + .25m
Subtract 2w from both sides.
42 = .25m
Divide both sides by .25
168 = m. This means after renting the car, it was driven for 168 miles.
Use square root and cube root symbols to represent solutions to equations of the form x^2 = p and x^3 = p, where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that the square root of 2 is irrational.
The gcf of 27 and 81 is 27 so divide both numbers by 27.
27/27=1
81/27=3
Final answer: 1/3
Simplified version would be 3 square root of 11