Answer:
D
Step-by-step explanation:
Because 90/5=18
Step-by-step explanation:
2(3(7)-1)
= 2(21-1)
=2(20)
=40
Answer:
the study in which observations are made, experiments are done and logical conclusions are drawn in order to understand the principles of nature.
Answer:
12-17
Step-by-step explanation:
this is right. trust (: