7 people shake hands. Give a formula to represent the number of handshakes if n is the number of people

How to convert 8.25% to a decimal

Solve 3 (2x + 9) + 7x = 79 for x. Question 16 options: A) 5.2 B) 4 C) 5.8 D) 7

Solve x2 - 4 = 5 by graphing the related function.

How will the drawing area look after you click the erase tool?

Given: F (x) = 2x - 1; G (x) = 3x + 2; H (x) = x2 Find G[H (1)).

How do you determine if a given set of measurements works for the side lengths of a triangle? (It should be a number)

If cosx = sin20, find the value of x, 0 Solve for x correct to the nearest minute given sin^2 x-3sin xcosx+2cos^2 x=0, where 0≤x≤180

What is 45 times 35 divided by 344

2/5k-3/5+1/10k simplify

A sling is being rotated at the rate of 99 rpm. Give each answer as an exact fraction. a) What will the length of the sling have to be so that the speed of the object at the end will be 53 meters per second? (in meters) meters