What is the equation of the line that passes through the points (−2, 3) and (2, 7)?
x − y = −1
x − y = −2
x − y = − 5
x − y = − 6

Evaluate cos2θ for cosθ = square root of 3/2

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

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.