2n+34 i=is an <span>algebraic expression<span> </span></span>
Answer:
B & D
Step-by-step explanation:
B & D
Given:
must correctly answer 80% of the questions
correctly answered questions = 26
incorrectly answered questions = 4
unanswered questions = 15
Total questions = 26 + 4 + 15 = 45
45 * 80% = 36 required correctly answered questions.
36 - 26 = 10
Out of 15 remaining questions, 10 questions must be correctly answered for Heidi to advance to the next level.
Answer:
20 ft.
Step-by-step explanation:
7 ft and 3 ft.
3*2=6
7*2=14
6+14=20.
