Answer:
-42
Step-by-step explanation:
You should by the 8 pound bag because it has more for less.
1/8, 2/16, Equivalent fractions can be found by multiplying or dividing both the numerator and the denominator by the same number.
Answer: u.(v+w) = -20
Step-by-step explanation:
Given;
u = -i+j
v = 10i-2j
w = -8j
v+w = 10i-2j +(-8j)
v+w = 10i-10j
u .(v+w) = (-i+j).(10i-10j)
= -1×10 + 1 ×-10
= -10-10
u.(v+w) = -20
Just use an calculate you will find the asnwer 173