Since 12.3 is less than 21 it will be a negative number. so just subtract 12.3 from 21 and put a negative symbol in front of the answer.
Answer:
Step-by-step explanation:
16x^2 + 9 = 25
16x^2 = 16
x^2 = 1
x = 1, -1
27 I think ou this is weird what exactly is the subject
Answer:
b. day 2 is the farthest from 0
This is a proportions question
12 42
------ = -------
70 ?
Cross multiply
70x42=2940
12x?=2940
294/12=245
42 cows can produce 245 gallons of milk.
So the answer is B.
Hope I helped!