caelys notebook weighs 4/5lb and griffins notebook weighs .5lb how much more does caelys notebook weigh than griffins

Which expression is equivalent to −16y+13 ? −16(−y+13) 16(−y+2) −16(y+2) 16(−y+13)

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

What is the reflection image of (5,-3) across the line y = -x?