a is the answer, as i is irrational no
Answer:
d. 46.19
Step-by-step explanation:
y=124.85(0.37)
to figure out the percent decrease, subtract the percent from 100. then divide by 100 to get a decimal. multiply that decimal by the original cost to get the answer.
Y=(-9--4) + (-3--7)
ALWAYS USE PEMDAS FORMULAS.