So,
9*27 + 2*31 - 28 = n
We use PEMDAS.
Multiply from left to right.
243 + 2*31 - 28 = n
243 + 62 - 28 = n
Add or subtract from left to right.
305 - 28 = n
277 = n
Answer:
a.
Step-by-step explanation:
4x+y=20 multiplied by (-4) gives you -16x-4y=-80
Answer:
Step-by-step explanation:
Slope = (-6-9)/(-1-4) = -15/-5 = 3
Answer:
33.2
Step-by-step explanation: