Answer:
they are all true they are just expressed different
Step-by-step explanation:
Answer:
-6125
Step-by-step explanation:
negative 78 squared = -6084
-6084 + 3 - 9 = -6090
-6090 - 5 squared minus 6 minus 4 = --6125
I got confused by "8th" and "a minus" do you mean 3a, and 6a?
1 + 1 + 1 + 2 = 5
5 x 9 = 45
Therefore, the total number of km is 45.
Answer:
12.6
Step-by-step explanation:
Use long multiplication to evaluate.
Answer:
Step-by-step explanation:
substitute x = - y - 2 in 0.5x + y = 1
0.5(- y - 2) + y = 1
-0.5y-1+y=1
0.5y=2
y=4
x=- y - 2
x=-4-2
x=-6
