P(x) = 1x^2 + bx + c
If -bi is a root, then +bi is the other root.
Thus, p(x) = (x+bi)(x-bi) = 1x^2 + b^2
Answer:
first blank is 90/100
second blank is 145/100
Step-by-step explanation:
Answer:
398-cent stamp for postage.
Step-by-step explanation:
For one letter, Travis needs 37-cent stamp
For four letters, Travis needs 37-cent stamp x 4 letters
= 148-cent
Again,
For one postcard, he needs 25-cent stamp
For ten postcards, he needs 25-cent stamp x 10 postcards
= 250-cent
Therefore, he will spend = (148-cent + 250-cent) = 398-cent stamp for postage.
Answer:
I got B) 72 cm^3
Step-by-step explanation:
cube area= 4
rectangle area= 18
4*18= 72