Is 8d + 4w and 1/2(8d+4w) equivalent

no

Step-by-step explanation:

Because there is a one half in front of the second one and if the one half wasn’t there,then it would be equivalent bc they are the same number.

step-by-step explanation:

because 1/3 is a fraction. we can tell because there is a divisor symbol between the 1 and the 3. if we were to add 2 fractions together, we would add the numerators, which is the number on top, but not the denominators, which is the number on the bottom

1/3+1/3=2/3

hope this !

d. 145*2 is 290 than the total angle is 360 then minus 290 then divide by two