Answer:
2x = x+1 + 18
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x = 19
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x+1 = 20
Step-by-step explanation:
Sound, earthquakes, the brightness of stars, and chemistry, such as pH balance, a measure of acidity and alkalinity, are all instances of this.
Answer:
The two grades that have a proportional relationship between the numbers of girls and boys are and grade 6 and 8
Step-by-step explanation:
Girls: Boys
9 : 12 (grade 6)
15 : 20 (grade 8)
3 : 4
Answer: Graph A
Step-by-step explanation: The line drops, crosses over the y axis, then stays at that constant level
Answer:
k12
Step-by-step explanation:
