Which algebraic expression represents "the sum of a number and 9"?

n minus 9

n + 9

9 n

StartFraction n Over 9 EndFraction

5x-17y=-6 rewrite equation in slope-intercept form

In form ax+by+c=0 y=-3x/4 + 1 when you get it in the form do you have to change the signs? if yes why?

X + y = 6 y = 3 - x consistent inconsistent equivalent

Support you measured the density of a silver to be 11.2 g/cm3, but you know that the true value for the density of silver is 10.5 g/cm3. find the percent error for the density you measure

Find the slope of (3,1) (-2,-3) hint use rise/rum.

Which algebraic expression is a difference with two terms? A. 5y - 7 B. 5 (y - 6) C. 3y + 1 D.-2y + 5 + 3

You are moving from Winston-Salem to Seattle a trip of about 2000 miles. Your stuff will fill half of the truck and trailer shown below. The moving company estimates that your belongings average 6.5 lbs per cubic foot.

If 25students took an exam and 4 of them failed, what percnt of them passed?

98, 78, 84, 75, 91 What is the mean absolute deviation of his scores?

Write the sum as a mixed number with the fractional part less for 3 3/4 + 1 2/4