Step-by-step explanation:
x^2 + 10x = -25
x^2 + 10x + 25 = 0
(x+5)^2=0
x=-5
The answer isnt 7 thats forsure
Answer:
The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
The answer should be C
54*30/100= 16.2
54-16.2 = 37.80
Answer: M = -20w + 450
Step-by-step explanation:
M = -20w + 450
450 is the amount in his bank account; because he is spending $20 per weeks, so it's -20w.