Answer:
-8x+24
63x+28
-15x-21
4x+5
Step-by-step explanation: ._.
Answer: 18
Step-by-step explanation: You would substitute x for 3 in the expression. This would equal 21-3, or 18 when simplified
Answer: C
Step-by-step explanation:
4 ×5 to the power 2 is 100
100-7=93
The answer is 5/13.
Walking(7) + Biking(3) = 10 students
10 students out of 26 total students = 10/26
Simplified is 5/13