Which of the following is an example of a plant responding to the external stimulus of gravity?

Name the quadrilaterals that have four equal sides.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution