Answer:
You are right, it's B
Step-by-step explanation:
Complementary angles are angles that add up to 90 degrees.
Answer:
8
Step-by-step explanation:
Mark can:
7*6=42
then just add back the 4 zeros
so its 42 0000
Answer:
54 cookies
Step-by-step explanation:
seven dozen means 7 * 12 cookies
because one dozen = 12 cookies, so having seven dozen means have seven, one dozen batches
seven dozen = 7*12 = 84 cookies
she already made 138
138 - 84 cookies = 54 cookies left to go
54 cookies