Evaluate the expression for the given value of x.
4x+9 for x =9

He concluded that a heavier object dropped from the same height as a lighter object will land

The trigonometric ratios sine and secant are reciprocals of each other

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18