Answer:
it is D
Step-by-step explanation:
Area of ∆= ½b×h
=½54×33
=27 × 33
= 891cm²
Answer:
1.) Some
Step-by-step explanation:
Natural numbers do not contain negative numbers, but they do contain whole numbers like 1, 2, 3. So your answer would be some.
Answer:
I think 14n + 9
Step-by-step explanation:
since she got her first email in 9 days and got her second email 14 days later, and it continues to appear every 14 days.
so I think it must be 14n + 9
between 30 and 50 is approximately 40