Which of the equations below could be the equation of this parabola?
Vertex (0, 0)
ОА. х = 3у2
Ов. х = -3y?
Ос. у= 3x2
O D. y=-3

What is the solution to the equation 9^(x+1) =27

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?