Rewrite the function by completing the square.
g(x) = 2x² – 70 +5

Write the sentence as an equation. b increased by 281 is d

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

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.