1. Given the function f(x) = 7(3 - x) + 5, which of the following is a true statement? *
O A. f(9) = -42
O B. f(-3) = 5
O C. f(-4) = 54

When can u say there is no solution for a system of linear inequalities? explain your answer and show with a system and graph

Which linear equations have an infinite number of solutions? check all that apply.  (x  –  3/7)  =  2/7(3/2x  –  9/14)8(x  +  2)  =  5x  –  1412.3x  –  18  =  3(–6  +  4.1x)(6x  +  10)  =  7(x  –  2)4.2x  –  3.5  =  2.1 (5x  +  8)

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.