The numbers to the items:3.99 6.00 4.50 now question. He principal at Gotham Elementary bought each teacher the three items shown above. If the school has 22 teachers, how much did the principal spend on these items? $14.49
$318.78
$3,018.78
$36.49

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

Write the equation in general quadratic form: plz !