Answer:
4
Step-by-step explanation:
Answer:
(2x-7)+ (-7)
Step-by-step explanation:
sum: 2x-7 + -2x
-7
an equivalent expression would be 3x-7-3x, or anything else that simplifies to -7
Answer:
hi hru
Step-by-step explanation:
Answer:
Both rates and ratios are a comparison of two numbers. A rate is simply a specific type of ratio. The difference is that a rate is a comparison of two numbers with different units, whereas a ratio compares two numbers with the same unit. For example, in a room full of students, there are 10 boys and 5 girls. This means the ratio of boys to girls is 10:5.