Personally I think the 3rd forth and the last one is but I’m not to sure
7b + 4 (-b +3)
= 7b +4*(-b)+ 4*3
= 7b -4b+ 12
= 3b + 12
The final answer is 3b+12.
Hope this helps~
20x = 21x-3
-x= -3
x= 3
20(3)= 60°
21(3)-3= 63-3= 60°
the answer to the question is b
Answer:
3.71 = (3.7 × 10)(1 × 10) = 3710.
Step-by-step explanation:
This fraction is alread reduced, We can't reduce it any further). As the numerator is greater than the denominator, we have an IMPROPER fraction, so we can also express it as a MIXED NUMBER, thus 3710 is also equal to 3710 when expressed as a mixed number.
Of all it's sides and angles