How do you simply equations?

1/4 divided by 2 - its supposed to be like 1/4 divide by 2/1 and idk

Evaluate cube root of 5 multiplied by square root of 5 over cube root of 5 to the power of 5 A. 5 to the power of negative 1 over 6 B. 5 to the power of 3 over 2 C. 5 to the power of 5 over 2 D. 5 to the power of negative 5 over 6

Rectangle has a perimeter of 48". The length is 4" more than the width. What is the length? 16 14 12 18

How do i get really good at math

Gina is putting books on a shelf that is 21 2⁄3 inches long. If each book is 2 1⁄3 inch wide, how many books can she fit on the shelf?

Kelly buy shoes with all her money she only has $150 one pair of shoes for her and they cost $40 the other two pairs of shoes are for her sister each other pairs of shoes cost the same price determined the price of one pair of shoes

At 4pm the temperature started to change drastically. Each hour for three hours, the temperature decreases by 7. Which expression best shows another way to write the product for the temperature 7+7+7 7+7+7+7 (-1) (7+7+7) (-7) + (-7) + (-7) + (-7)

A home business has an average income of $900.00 per month with a standard deviation of $15.00. If the income in a given month is $930.00, what z-score corresponds to this value?

The sum of 6 consecutive integers is 393. What is the third number in this sequence?

Tomas earned $38.25 for the cleaning the garage. He was paid $4.25 per hour. Write and solve an equation to find how many hours it took him to cleen the garage.