5y minus 30 when y=-6
simplify (2+i)^4-(2-i)^4
. If tan θ = 3/4 and θ is in Q1, then sin θ =
. sin 30° + cos 60° =
The eccentricity of the ellipse x²/25 + y²/9 = 1 is:
(A) 0.4 (B) 0.6 (C) 0.8 (D) 0.5
The center of the circle x² + y² − 4x + 6y − 12 = 0 is:
. The equation of the line through (1, 2) with slope 3 is:
The distance between points (2, 3) and (5, 7) is: