If x^2-y^2=32 and average of x and y is 4, then which of the following statement is correct? (a) y+x=28 (b) x-y=4 (c) y=x (d) xy=4

An airplane consumes fuel at a constant rate while flying through clear skies, and it consumes fuel at a rate of 64 gallons per minute while flying through rain clouds. let c represent the number of minutes the plane can fly through clear skies and r represent the number of minutes the plane can fly through rain clouds without consuming all of its fuel. 56c+64r < 900056c+64r< 9000 according to the inequality, at what rate does the airplane consume fuel while flying through clear skies, and how much fuel does it have before takeoff? the airplane consumes fuel at a rate of gallons per minute while flying through clear skies, and it has gallons of fuel before takeoff. does the airplane have enough fuel to fly for 60 minutes through clear skies and 90 minutes through rain clouds?

Can someone me with the property questions for 12 13 and 14 plz

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex