Sonny substituded 5 for x in the proportion 16/x = 48/15 and cross to multiply to get 240 = 240 why is this?

Write the slope - intercept form of the equation of the line Slope = - 5, y - isn't = - 3

Find two numbers, if their sum is 97 and their difference is 7.

3.22kg subtract 250g

Work out the percentage increase of 42 to 186.

Simplify the expression (7+47+3) [5 * (2*3) ]. Use properties to judtify eachstep.

How do you find the two numbers Factor equation is between 10 and the quotient of 787 divided by 2

A stock investment went up $25/%$ in 2006. Starting at this increased value, what percent would it have to go down in 2007 to be back to its original price at the beginning of 2006?

What is the value of negative X2 minus 4X - 11 X equals - 3

If you have 2/3 stone to spread equally in 4 yards how much stone is in each yard?

Given what is the domain in set notation? x ∈ R, x ≥ 4 x x ∈ R, x ≥ 2 x