Someone can you check if the top question it correct and with answer the question below. if possible i need the answer by 23rd april 2019 (tuesday).

What is 20+(5 x 2/5 )+ 3 show your work

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.

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position