What is the solution to the equation below?
√x-9=-6
a. x=9
b. x=√3
c. x=3
d. x=√15

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?

The area of a rectangle is 54x^9y^8 square yards. if the length of the rectangle is 6x^3y^4 yards, which expression represents the width of the rectangle in yards