Simplify the expression. Write answer without spaces between terms and signs. (–2h + 1) + 2(3h – 4)

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

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

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