Answer:
2k-8
Step-by-step explanation:
3k +9 -k-17
Combine like terms
3k -k +9-17
2k -8
Answer:
Katrina got 86 in her test
Step-by-step explanation:
given
mean = 80
standard deviation = 3
z-score = 2
Let score of Katrina = x
Recall z-score is calculated by
z-score = (x-mean) / standard deviation
substitute values and solve for x
2 = (x-80)/3
x-80=6
x = 86
Answer:
15
Step-by-step explanation:
He learns 2 recipes a week. So divide 30 by 2 & get 15
Answer:
I believe its D
Step-by-step explanation:
because the Xs do not repeat but on the other answer choices , they do .
Hope I could help -
Sleepy~
