Ajewelry supply shop buys silver chains from a manufacturer for c dollars each, and then sells the chains at a 57% markup. find the expression and the retail price if purchased for $45.

Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

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.

Which of the following vectors are orthogonal to (2,1)? check all that apply