Answer:
-6d^2 + 12d - 3
Step-by-step explanation:
use PEMDAS
parentheses
exponents
multiplication
division
addition
subtraction
use that order to solve problems like that.
It would be the last option, (5, -4)
Answer:
40
Step-by-step explanation:
the range is the number between the highest and lowest number. the lowest in this is 5 and the highest is 45
45-5=40
868 is about 870, and 28 is about 30, so your expression would be 870 divided by 30 which would be 29 and the actual answer is 31, so your estimate would be close to your actual answer.
