Answer:
(-1,2)
Step-by-step explanation:
3x+5=-5x-3
3x+5x=-5-3
8x=-8
x=-1
y=3(-1)+5=2
y=-5(-1)-3=5-3=2
Answer: k=3
Step-by-step explanation:
33/99 divide top and bottom by 11
33/99divided by 11/11
=3/9
Y=(2/3)x+[anything] cause the thing before x is slope
Given:
must correctly answer 80% of the questions
correctly answered questions = 26
incorrectly answered questions = 4
unanswered questions = 15
Total questions = 26 + 4 + 15 = 45
45 * 80% = 36 required correctly answered questions.
36 - 26 = 10
Out of 15 remaining questions, 10 questions must be correctly answered for Heidi to advance to the next level.

Two negatives equals a positive:

Add the numerators and keep the denominator: