Under the brannock device method, shoe size and foot
length for women are related by the formula s = 3f - 21,
where s represents the shoe size and f represents the
length of the foot in inches. solve the formula for f.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

If i have one apple and give you the apple, how many apples do i have?

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.