Answer: 18
Step-by-step explanation:
9+9
Answer:
x=4+(19)^1/2,x=4-(19)^1/2
Step-by-step explanation:
The mode is the score that occurs the most often and the median is the middle number when arranged in order.
Answer:
8x² + 6xy - 4
Step-by-step explanation:
(5x² + 4xy - 7) + (3x² + 2xy + 3) ← remove parenthesis
= 5x² + 4xy - 7 + 3x² + 2xy + 3 ← collect like terms
= 8x² + 6xy - 4
