What is -4,4 and -2,0 written in slandered form

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?