Aserving of 19 grapes contains 57 calories. what is the number of calories per grape? select from the drop down menu to complete the unit rate. cal/grape

Consider the table below. x y -1 -5 0 5 1 11 2 13 3 11 complete the standard form equation representing the quadratic relationship displayed above, where a, b, and c are constants.

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much