David rolls a fair dice 30 times. How many times would David expect
to roll a number greater than 3?

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?