Nine fewer than half a number is five more than four times the number define a variable rate in equation and solve to find the number

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

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

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?