She got 60 correct and 15 wrong. She got 11.25% wrong
Use substitution
x -4x - 7 = 2
-3x = 9, x = -3
Y = -4(-3) - 7
Y = 12 - 7, y = 5
Solution: x = -3, y = 5
I believe notation one would be 8:9 and notation two would be 8 to 9
The next number in this pattern should be A)28
Answer:
20
Step-by-step explanation:
you've got to do the inside parenthesis first then multiple with 3 and finally add 8