a pile of 12 books is 1.2 meter thick 9 of them are 9.5 centimeters thick each and the rest are of equal thickness. for the rest of the books, how thick is each of them in centimeter?

Write and solve an equation to find the number n. Four times the difference of a number and 7 is 12.

There are 7 performers who are to present their acts at a variety show. One of them insists on being the first act of the evening. If this request is granted, how many different ways are there to schedule the appearances?

A submarine was 200 feet below sea level. It rose to the surface and then dove again to four times its initial depth. The submarine then descended another 300 feet. What was the sub's final depth? Steps: 1. Write an expression to model the situation.

Find the 7th partial sum of summation of 6 open parentheses 3 close parentheses to the I minus 1 power from 1 to infinity

The Probable Cause Panel has met and has determined that there is probable cause. What will be the next step in the complaint process?

Factor x^4+6x^2-7 completely.

Factorise x squared + 22x - 75

What 3342xdx4 i need to know in 20 sec

A histogram is being made for the following set of data 78 92 98 87 86 72 92 81 86 92 If the length of each interval is going to be 6, what will the frequency of the first interval be

Calculate 7.30•1.63 and round to the correct number of significant digits