Stacey grahaM

Need answer check pls. Find the rectAngular equation for the plane curve by parametric equAtions. X=t +4 , y= t^2

A railroad tunnel is shaped like semi-ellipse. The height of the tunnel at the center is 69 ft and the vertical clearance must be 23 ft at a point 16ft from the center. Find an equation for the ellipse.

Suppose you would like to cross a 204 ft wide river in a boat. Assume that the boat can travel 37 mph relative to the water and the current is flowing westbat a rate of 6mph. What bearing should be chosen so that the boat will land at a point exactly acro...

Tan theta 12/5 ,pi <theta<3pi/2 Find sin 2theta

Solve the equation in the interval [0•,360•] Csc theta = 1+cot theta

(2-2i)^5 find the given power write answer in rectangular form

Sorry I got y=(x^2 -4)^2