Answer:
c)
Step-by-step explanation:
Use 49 instead of 14 for 7²
Reason: 7² = 7 * 7 = 49
Not 14 as 7*2 = 14
This is a subtraction expression.o evaluate, substitute 29 for the variable in the expression.to<span>evaluate the expression, subtract 31 from 29.</span>
Answer:
The value of the second expression is 12, so the expressions are not equivalent.
Step-by-step explanation:
15x = 500-50
15x = 450
x = 450/15
x =30
Thus, x is equal to 30.
