Solve for the constant of variation, k. (Use / for the fraction bar) y varies jointly as x and z. X=-2, when y=3 and Z=-4

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 ?

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be

Which function has the domain x> -11