Answer:
D)
Step-by-step explanation:
Distributive rule: a(b + c) =a*b + a*c
-4(7 - 1) = (-4)*7 + (-4)(-1)
= -28 + 4
= - 24
For the first one the answer is:
<K = 31°
Sorry I don't know the second one.
yes.
write these ratios as fractions to see if they are proportional
3/4
9/12 -------> this can be simplified by dividing by 3
= 3/4
therefore yes they are equivalent
