It’s A. An quadrilateral has four sides and four angles.
The answer is 12a plus 3a squared.
Answer: 100
Step-by-step explanation:
Do X+60+5x=180 then that will get you 20 Then do 5*20 and that will get you 100
Answer:
v = 15/7, or 2.14
Step-by-step explanation:
Find a common denominator, or multiply both denominators by each other, and well as the numerator.
v/5 = 3/7 can be written as 7v/35 = 15/35
multiplying both sides with 35, we are left with 7v = 15
v = 15/7, or 2.14