Slope of the secant line that intersects the graph h(x)=16-x^2 at x=1 and x=4

Which are the apprehensions of the consumers who shop online? consumers who shop online enjoy the convenience of shopping from home but are apprehensive about theft and loss of privacy.

Who pays into social security a employees b self employed c employers d all of the above

What is the tychonic system? a. a model of the solar system in which all the planets (including earth) orbit the sun b. a model of the solar system in which the planets, moon, and sun orbit earth c. a model of the solar system where the planets orbit the sun, and this system orbits earth d. a model where all the planets and earth are fixed in space and only the sun and moon move e. a model that expands the system to a vast number of galaxies and star systems