Evaluate each expression if x = −2, y = −3, and z = 5. 2x + 3y + z x − y 2 3x2 − 2x + 1 3y(x + x2 − y)

Write 17/20 as a decimal and as a percent.

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

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is