Answer:
the bottom one b and c
Step-by-step explanation:
it goes at a steady rate of 2b=c
He saves $200 (the amount of change over the original amount $500
200/500 = 2/5 and 2/5 = 40% (divide 2 by 5 and get .4 which = 40%)
40% discount is the answer to your question
F(x)=-3x
f(-5)=-3* (-5)
=15
hope ths help u !!!!!!!!!
^_^
Answer:
(A) 21
Step-by-step explanation:
5x-15 needs to equal 90 since it is a right angle and 21 makes that true