A variable is a letter, for example x, y or z, that represents an unspecified number.
6 + x = 12
To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12.
Answer:
22 is the number
Step-by-step explanation:
When ratio
88:22
Is divided with 11 it gives 8:2
im not sure about the first one but im 100% about 2 and 3
2-A
3-D
Answer: the height is 11.2
Step-by-step explanation:
Answer:
C (1,11) and (-1,-5)
Step-by-step explanation: