if the centroid of the triangle formed by (x,0), (5.2) and (-8.y) is at (-2,1) then (x, y) is equal to

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Charlie tosses five coins.what is the probability that all five coins will land tails up.

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.