How can i memorize equations quickly?

A number w divided by 5 equals 6 how do u write that

The rectangular box shown in the figure has dimensions 9" * 5" * 3" (a = 9, b = 5, c = 3). Approximate the angle θ formed by a diagonal of the base and a diagonal of the 5" * 3" side. (Round your answer to two decimal places.)

What is meant by "bias due to selective survival" in cross-sectional studies? Under what circumstances might there be no selective survival bias even if the selection probabilities are not all equal?

Through: (-4,3), slope=0

How do I simplify 9/243

What expression is equivalent to 3•3•3•3

In which quadrant is the cosine function positive and the sine function negative? A) 1 B) 2 C) 3 D) 4

Disadvantage to using tables and diagrams

Solve the equation. check your ans.

In 2015 there were approximately 33,300 firearm fatalities (homicide and suicides) Express the quality in deaths per hour