Answer:

or

Step-by-step explanation:
Divide the numerator and the denominator by the same number:

or
Multiply the numerator and the denominator by the same number:

Answer:
140 ways
Step-by-step explanation:
4 x 5 x 7 = 140
Answer:
1:17
Step-by-step explanation:
A dependent variable depends on an independent variable
Answer:
x=−5.675726
Step-by-step explanation: