# Math Help - evaluate each expression

1. ## evaluate each expression

i am a aunt who is trying to learn this stuff in case i have kids so my cousin and i are having a contest and i know nothing about this stuff.

t(u)(-v),for t=3,u=20,and v =8

d(v)(d),for d=5 and v=24

2. Originally Posted by dianna
i am a aunt who is trying to learn this stuff in case i have kids so my cousin and i are having a contest and i know nothing about this stuff.

t(u)(-v),for t=3,u=20,and v =8

d(v)(d),for d=5 and v=24
Substitute,
$3(20)(-8)=60(-8)=-480$

$5(24)(5)=120(5)=600$